Record which revision of a proof was sent to the reviewer.
Record which page proof revision went to each reviewer.
Your review threads show the revision your teammate shared with a reviewer, even after newer proofs appear.
Mark the draft revision handed to each reviewer.
Your review card shows the proof version your reviewer received, even if the linked file changes later.
Send editorial proofs to reviewers and record the revision shared.
Your reviewers get the proof link, while your review ledger shows which revision you shared with them.