Nitro PDF Reader (Beta) is a free PDF reader application which can do lot more than the normal PDF readers. This will enable you to
Create PDF files
Comment and review
Fill and Save PDF forms
Extract text and images
Type text directly onto the page
Convert more than 300 document formats to PDF
Create Signature and digitally sign the document
Restrict Internet access and disable JavaScript
Snapshot tool
This product supports both 32 bit and 64 bit operating systems.
See this Video
Read more about the features here
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[Via Instantfundas]