Adobe Reader - a popular program for viewing and printing of PDF. 6.x and later support the playback of the built-in document files, QuickTime, Macromedia Flash, Real and Windows Media; print documents via wireless networks and other improvements.

Highlights Adobe Reader:
The ability to view, manipulate 3D content and commenting on documents created using software Acrobat Adobe 3D.
Scaling the selected areas of the document.
The multimedia content (text, graphic, audio and video files), reading and organizing electronic books. Playing embedded in document files QuickTime, Macromedia Flash, Real and Windows Media.
Allows you to work with the document through the forms.
Ability to search the Internet directly from the interface of Adobe Reader.
Additional module (plug) to the browser. Support for Netscape, Firefox, and Mozilla (for Windows).
Printing of documents via wireless networks.
Organization of on-line video conferencing.
Friendly technologies. Digital signatures for documents PDF.
Function Start Meeting, which allows to simultaneously work on a document to multiple people.
Tools to facilitate the work of people with impaired vision.