Changes compared between 2 PDFs are not accurate
When comparing 2 versions of a PDF, some of the items the program highlights come up as changes where there isn't any. For example, in one section, a piece of text had been moved a few millimeters, and yet the program registered it as a completely new piece of text, which is false.
What are the rules on how Acrobat identifies changes between 2 PDFs? And can this be altered by Adobe and/or the user?