activePDF Maestro is an affordable desktop PDF manipulation tool that enables you to easily view, assemble, mark-up, save, and print PDF files. With activePDF Maestro you can:

Merge multiple documents into a single PDF file
Add document security through 40 and 128-bit encryption
Comment PDFs with sticky note, highlight, strikethrough and underline tools
Create and edit PDF Bookmarks
Extract, reorder, delete and rotate PDF pages
Optimize PDF files for fast web view
Import, export, email and print PDF comments