Place the marked proof document on the maker’s revision task.
Keep proof pages and marked corrections together for the maker.
Your maker can open the proof and the reviewer's marked pages in a single PDF on the revision item, with the proof first.
Put each marked proof on its maker task with the reviewed version.
Your makers can find marked PDFs on the right tasks, with the proof version in the comment.
Move the matching marked proof onto each maker revision card.
Your makers find the marked PDF on their revision cards, with the reviewed version noted when a handoff missed the file.