Breakdown of Le document est accepté, mais il manque la signature.
Questions & Answers about Le document est accepté, mais il manque la signature.
Est accepté is a passive construction.
- est = is
- accepté = accepted
So Le document est accepté literally means The document is accepted.
French forms the passive the same basic way English does:
- être
Examples:
- Le document est accepté. = The document is accepted.
- La demande est refusée. = The request is refused.
If you used a accepté, that would mean has accepted, and the subject would be the one doing the accepting:
- Le document a accepté... would mean The document accepted..., which does not make sense here.