Record which revision of a proof was sent to the reviewer.
Email the current page proof for review and log its revision.
Your reviewer gets the current image or PDF and a clear question. Your review card shows which revision you sent.
Record the draft revision when its card enters review.
Your review card shows the proof version your reviewer received, even if the linked file changes later.
Send page proofs to reviewers and log the revision shared.
Your reviewers get the proof link, while your review ledger shows which revision you shared with them.