PDFs From ArcPro asking to save non-existent changes
Hello everyone,
I've noticed that PDFs exported from ArcPro always ask if I want to save changes (despite no changes being made). The Save message from Adobe reads "Do you want to save changes to "xyz.pdf" before closing?".This happens with PDFs that were generated manually (via Share->Export Layout) or generated from Arcpy's exportToPDF. I have tested that this doesn't happen with PDFs generated from ArcMap, and I don't see any settings in the online documentation that might prevent it. Have even tried some Adobe-specific fixes, but to no avail.
This gets to be very tedious and frustrating over the day. Has anyone dealt with this, and if so, have you found a solution? MentioningJeremy Wright here, as I've seen him chime in with helpful advice on a couple of PDF-related threads 
All the best,
Ken
Solved: Acrobat asking where to save a file EVERY TIME - Adobe Support Community - 10028845
exportToPDF (out_pdf, {resolution}, {image_quality}, {compress_vector_graphics}, {image_compression}, {embed_fonts}, {layers_attributes}, {georef_info}, {jpeg_compression_quality}, {clip_to_elements}, {output_as_image})
