Well, sure they can, as the after life is to a great degree based on our expectations.
In NDEs, people see the primary leader of their personal faith and always have.
so yes, as we impose our expections on what we see, we *can* all be right.
Okay, everyone has their own inculcated view as to what heaven is.
But the heaven of Jesus cannot possibly be the heaven of Mohammad (P B U H

).
So is the afterlife just a series of religious ghettos and if so where do all the undecided people wind up?
I could be very wrong but it doesn't seem likely.