Adobe Acrobat Reader is free, and freely distributable, software that lets you view and print Portable Document Format (PDF) files.
Acrobat Reader also lets you fill in and submit PDF forms online.

Adobe Portable Document Format
Invented by Adobe Systems and perfected over 15 years, Adobe Portable Document Format (PDF) lets you capture and view robust information � from any application, on any computer system � and share it with anyone around the world.

Individuals, businesses, and government agencies everywhere trust and rely on Adobe PDF to communicate their ideas and vision.