Turn reviewer comments or marks into a list of corrections for the maker.
Tie your PDF markups to the proof the designer is revising.
Your maker gets the marked PDF and a clear fix list on the right task, with the reviewed version named.
Carry your image marks into the maker's revision checklist.
Your maker gets a clear fix checklist with reviewer marks linked to the proof revision they belong to.
Give the maker a fix list from the PDF revision you reviewed.
Your maker gets a clear fix list tied to the PDF revision reviewers saw, so the next round starts with the right changes.