DO NOT BUY if you use multiple types of pdfs.
I mistakenly paid for the perpetual license for the latest pro version because of the capability to watermark and batch process pdf files; however, what I got was a slow to load and easy to bog down program that I almost always drag aside to use Adobe acrobat that i had to purchase because of how useless this program is. This expensive program can not even handle 99% of the pdfs I work with on an everyday basis, and when i can use it, it crashes often and takes forever to edit the smallest of documents. One would think that if a company markets that their product can produce and edit pdfs, they should probably ensure they can handle all types of pdfs before they sell it.