Questions & Answers about Прокол видно на шині.
In Ukrainian, the present-tense verb to be is usually omitted.
So English The puncture is visible on the tire can be expressed without a separate word for is:
Прокол видно на шині.
Also, видно already carries the idea of is visible / can be seen, so adding a separate is-type word is not necessary.
Видно here means visible, can be seen, or it is possible to see.
It is a very common Ukrainian predicative word used in impersonal-style sentences. In other words, the sentence does not focus on who sees it; it just states that the puncture is visible.
So this can feel like either:
The puncture is visible on the tire.
or
You can see the puncture on the tire.