Adobe Acrobat Reader — 14.99 per year A powerful, powerful free PDF viewer for Windows, Mac, Chrome OS, Android, iPhone, iPad, Linux, and more. The Best PDF Readers for Windows Best PDF Readers for Mac Best PDF Readers for iOS > Top 10 > Free/Cheap 2. Adobe Reader — Free (but 29.95 annual subscription) Read and edit documents from your computer and devices with Adobe Acrobat, or download Adobe's free Acrobat Reader to read PDFs from any device. The Best PDF Annotation Software : Adobe Reader provides the ability to annotate and document text with advanced text annotation controls; make your documents more legible by adding annotations to document or document notes or making your notes into PDFs. 3. PDF Expert — 29.95 per year PDF Expert, the only PDF editor compatible with all desktop and laptop operating systems, offers easy document annotation with multiple types of annotation (in addition to line editing); edit text and change fonts to help you create beautiful user interface documents. 4. Annotate.us is FREE!! Annotation.us is a unique system that allows you to add text and image annotations to the document you are editing with Adobe reader. Each annotation is stored individually for easy future reference and easy sharing and editing. 5. Annotate: Free PDF Annotation Software for Mac [Windows/Cloud] Annotate — Free PDF Annotation software for Mac is the only app that allows you to annotate PDF documents from your Mac, iPad or iPhone or iPad with one click, directly from your Mac; it can even handle the markup of your document (including text changes from a digital paint tool or keyboard shortcut). Annotate allows your annotated PDF documents to be saved as an Adobe Annotated PDF (or PDF) directly onto your computer. 6. Pocket Annotation Software — 0.99 PDF Annotation Software Pocket Annotation Software allows for real-time annotation and review of documents in Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Publisher and others. Pocket Annotation Software can be used either in conjunction with a standard text-editor, or as a standalone application for PDF files. 7. NewPaperReader — Free or 14.95 – 14.