It does not pick up the borders of tables. For example, you can only move images and text separately. It isn't always easy to move things together. This really is only important if you want to move the text. For example, if the pdf was exported from MS-Word, every bit of text that was inside a text box in Word will be one object in the pdf. It depends very much on how the original pdf was created as to how much you can do. You can readily change the font and whether its bold, italic, etc. The license is perpetual - not a subscription like Adobe Acrobat.
The program will correctly print barcodes - important in things like theatre tickets - which the Mac version does not. Do not be confused between what you see on the screen and what is printed on paper. Many Mac programs will print the transparency as black, including Mac Preview (although it will correctly print png images with transparency not embedded in a pdf). The program will print png images with a transparent background. The Windows version is run on my Mac using Parallels 15. This is a review of the Windows version and should not be confused with my poor review of the Mac version. This is a review of the Windows version of PDFelement