Ehh for Mark and Matthew yes. I think that John and Luke are at least supposed to be from the perspective of John and Luke mainly because Luke uses first person

Ehh for Mark and Matthew yes. I think that John and Luke are at least supposed to be from the perspective of John and Luke mainly because Luke uses first person language in Acts and the entire premise of John is that it’s from John’s perspective. It’s also possible that Eg they’re written down from an earlier oral tradition which originated with them