“Adobe Reader software is the free trusted standard for reliably viewing, printing, and annotating PDF documents. It’s the only PDF file viewer that can open and interact with all types of PDF content, including forms and multimedia. Reader XI comes with a full set of commenting tools. So you can add sticky notes, highlight text, and use lines, shapes, stamps, and a typewriter tool to place comments anywhere on your PDF document.”

Adobe Acrobat is a set of application software to view, create, manipulate, print and manage files in Portable Document Format (PDF). Acrobat and Reader are widely used as a method of presenting information with a fixed layout similar to a paper publication. Adobe also allows Acrobat plug-ins to be developed by third parties, which can add extra functions to the Acrobat program. The graphical user interface for desktop systems is carri...