Acrobat Professional 9 (extended Pdf Edit... | Adobe

Introduced a highly accurate feature to identify differences between two versions of a complex PDF.

Acrobat 9 marked a major shift by integrating directly into PDFs, allowing users to embed video and interactive animations that could be played back reliably in the free Adobe Reader. Adobe Acrobat Professional 9 (Extended PDF Edit...

Advanced support for 2D and 3D CAD designs, allowing users to rotate, zoom, and measure engineering data directly within the PDF. Introduced a highly accurate feature to identify differences