A pesar de la exclusión de cobertura, revisamos la póliza.

A pesar de means despite or in spite of.

It is a fixed expression, and it is usually followed by:

• a noun: A pesar de la lluvia = despite the rain
• a pronoun: A pesar de eso = despite that
• an infinitive: A pesar de perder = despite losing

In your sentence, a pesar de la exclusión de cobertura means despite the coverage exclusion.

A very common related structure is a pesar de que + verb, which means even though / although:

• A pesar de que no había cobertura, revisamos la póliza.

They come from two different parts of the sentence:

1. a pesar de is the full expression despite / in spite of
2. exclusión de cobertura means exclusion of coverage or coverage exclusion

So:

• a pesar de = despite
• la exclusión de cobertura = the coverage exclusion

Put together:

• A pesar de la exclusión de cobertura = Despite the coverage exclusion

This kind of repeated de is completely normal in Spanish.

This is insurance language.

• exclusión = exclusion
• cobertura = coverage
• exclusión de cobertura = a part of an insurance policy that says something is not covered

So this is not just any exclusion in general; it specifically refers to a limitation in what the insurance covers.

Yes. Both nouns are feminine:

• la exclusión
• la póliza

That is why the sentence uses la before each one.

A useful pattern:

• nouns ending in -ción are usually feminine:
  la exclusión, la protección, la condición

And póliza is also feminine:

• la póliza de seguro = the insurance policy

Revisamos can mean either:

• we review / we are reviewing (present)
• we reviewed (preterite/simple past)

Spanish has some verb forms that look the same in the nosotros form for present and preterite.

So without more context, revisamos la póliza could mean:

• we review the policy
• we reviewed the policy

Usually, the surrounding context tells you which one is intended.

The comma separates the introductory phrase from the main clause.

• A pesar de la exclusión de cobertura, = introductory concessive phrase
• revisamos la póliza. = main clause

In English, this is similar to:

• Despite the coverage exclusion, we reviewed the policy.

The comma is natural and helpful here, especially because the opening phrase is fairly long.

Yes, sometimes you may see it without a comma:

• A pesar de la exclusión de cobertura revisamos la póliza.

But with an introductory phrase like this, the comma is usually clearer and more natural in careful writing. So the version with the comma is a very good model to follow.

They are related, but they are not the same.

• seguro = insurance
• póliza = policy

Examples:

• Tengo seguro médico. = I have health insurance.
• Leí la póliza del seguro. = I read the insurance policy.

So in your sentence, la póliza refers to the actual policy document or contract, not insurance in general.

Usually, revisar means to review, check, inspect, examine.

In many contexts, it does not mean to revise/edit in the English sense.

Examples:

• revisar un documento = to review/check a document
• revisar el coche = to inspect the car
• revisar la póliza = to review the policy

If you want to say revise/edit, Spanish often uses:

• corregir = correct
• editar = edit
• modificar = modify

So here, revisamos la póliza most naturally means we reviewed the policy, not we revised the policy.

Yes. Pese a is very similar in meaning and also means despite / in spite of.

So you could say:

• Pese a la exclusión de cobertura, revisamos la póliza.

Both are correct. In many contexts, a pesar de sounds a bit more common and neutral, but pese a is also standard and widely used.

Because a pesar de is a fixed expression. It is not built from a + el pesar.

Even though pesar can exist as a noun in other contexts, in this phrase you must learn a pesar de as one unit meaning despite.

So:

• ✅ a pesar de
• ❌ al pesar de

Not by a conjugated verb directly.

You can use:

1. a pesar de + noun

   • A pesar de la exclusión...

2. a pesar de + infinitive

   • A pesar de tener una exclusión, revisamos la póliza.

3. a pesar de que + conjugated verb

   • A pesar de que había una exclusión de cobertura, revisamos la póliza.

So if you want a full clause with a conjugated verb, you need que:

• a pesar de que...

Yes, somewhat.

The original sentence:

• A pesar de la exclusión de cobertura, revisamos la póliza.

You could also say:

• Revisamos la póliza a pesar de la exclusión de cobertura.

Both are correct. The difference is mostly about emphasis:

• Starting with A pesar de... emphasizes the contrast right away.
• Putting it later sounds a bit more straightforward and less dramatic.

Both word orders are natural.