Here’s a training material (Traditional Chinese) for Acrobat 9 Training of Educaton.
(1) Acrobat 9 Common Usage
— PDF Portfolio (Merge documents, engineering design)
— Email Archiving
— Scan to PDF
— Presentation / Promotion (Native flash support. PDF Forms)
— Electronic Review (Comment, Stamp, Digital Signature)
— Control Public Document (To remove sensitive information)