Carry revision notes, check latest drafts, compare approved terms. Every one is ready to run, and you can adjust it in plain language.
Route rejected proof PDFs to their makers with the reason.
Your makers get a rework task with the reviewed PDF and rejection reason, so the next revision starts from the right file.
Flag print proof review items that cite a different file version.
Your review board shows when a proof file has moved ahead of the version reviewers expect, with a linked alert for the coordinator.