How to insert page in adobe reader 9

How to insert a pdf page in Adobe reader 9?

the answer is that no, you can't

Can I edit a PDF file using Adobe Reader?No. You cannot make permanent changes to PDF files using Adobe Reader. However, you can perform many edit-like functions using Reader if the author has enabled these functions. For example, you can highlight text and add comments on electronic sticky notes. If you want to create and exchange documents, collect and compare comments, and tailor file security to distribute reliable and polished Adobe PDF documents, look into using Acrobat.

http://www.adobe.com/products/reader/faq/