From Tracker Software Products:
PDF-XChange Viewer (64-Bit) allows users to view Adobe compatible PDF files and perform additional functionality. It features viewing, printing, exporting PDF's to numerous image based file types, page commenting and annotations, type directly on a PDF page, simple find, and advanced search. PDF Security support including 40/128 bit RC4 and 128/256 bit AES Encryption Password and Permissions add and edit.
What's new in this version: