How can I simply export comments to a single list

Thanks in advance for your help.

Does anybody know how to export the comments in acrobat as a single list (ideally to excel or word)?

Typically my workflow is to convert documents (drawings, figures, sketches, charts, text) that make up a report to PDF and send to clients for review.

A report can be very large in excess of 500 pages.

Clients mark up the compiled PDF report with their comments.

So far so good.

In addressing their comments I need to compile a list/table  of the comments they have made so I can simply provide a status/commentry on how I may have addressed their comments.

This simple task has proven extremely difficult with hours on the internet looking for a solution and about 1.5 hrs with Adobe staff (who clearly did not know what they were doing as it took this time to understnd point 1 below).

Tagging to a word document does not help in that;

1. I operate a mac and apparently exporting comments to word function under the comments options dialogue box does not work on a mac.
2. The comments pertain to numerouse sources not just word.

Does anybody know how to export the comments as a single list (ideally to excel or word)?

I know how to create a comments summary then export this to word (but as the comments summary is broken up into pages I am still left with a document that is >300 pages long which is no use.

I also tried exporting the summary pdf either a a rich text format or excell which almost worked but the export apears to drop the page numbers since the page number are page headers in the export.This leaves me with a bunch of comments without any relationship back to the source.

Thanks