Google Contacts, the address book built into Gmail, lets you keep track of all your contacts, see when you last interacted with them, and more.
Receive the rejected PDF and reason in an assigned revision task.
Your makers get a rework task with the reviewed PDF and rejection reason, so the next revision starts from the right file.
Find requested revisions in one issue linked to the reviewed draft.
Your editor gets a clear revision issue from comments on your draft page, with links back to the review.