Pair assets with briefs, check versions, carry revision notes. Every one is ready to run, and you can adjust it in plain language.
Show the current PDF proof and the question you need to answer.
Your reviewers get a clear task for the current proof. They know what decision to make and when it is due.
Reopen your proof review task with the corrected PDF.
Your reviewer gets a task ready to review, with the replacement proof and its version named in a comment.