The best place to start learning Acrobat is here:
This page includes topics on getting started with Acrobat, an overview of the new features available in Acrobat X we well as links to video tutorials and websites for learning Acrobat.
You may also want to visit the Acrobatusers.com Learning Center which contains an ever-expanding collection of videos, tutorials, and how-to guides for using Adobe Acrobat.
