Combine linked PDFs in the requested page order into one PDF and return its link.
Assemble project PDFs in the page order listed on each request.
Your report or invoice packet is ready on the same spreadsheet row as the source PDFs, with its pages in the order you chose.
Attach one ordered PDF packet to the project task.
Your reviewer gets a single PDF in the order you set, with the finished packet attached and linked on the project task.