Are you talking about the PDF reader? I don’t use Windows anymore so I can’t l can’t run the app to look for the option. But, I do know this wonderful little Windows app will allow you to copy and paste text from a PDF file.
http://www.foxitsoftware.com/pdf/rd_intro.php
Not free or cheap, but check out bluebeam revu: www.bluebeam.com—they have awesome tools for both, and a bit friendlier to use than Adobe Acrobat.
Oh, and free 30-day trial. When you buy, tell them Ben Peoples sent you. ;-)