First, Convert every PDF page to image(for example jpeg), and view Jpeg on PSP,
PDF2PSP is a tool for converting PDF documents and print outs into JPEG images suitable for displaying on the Sony PSP handheld game console.
Second, directly View the really PDF on PSP, and you need Bookr,A document reader for the Sony PSP with native PDF rendering.
To use Bookr, you need a Sony PSP with firmware version 1.5, other firmware versions are not supported.
To install Bookr, simply copy the __SCE__bookr and %__SCE__bookr folders to your Memory Stick \PSP\GAME folder.

Adobe Acrobat Professional 9 has released for a long time, and I have test the trail version, recently, some customer ask for the updated version of Batch ReaderEnable for Adobe Acrobat Professional 9, so it is here.

want to know about Batch ReaderEnable, please visit here

Adobe reader 8 supports “Restore last view settings when reopening documents”, so you can easily remember the page number that you read last time(as well as the zoom and pan settings). But by default, it does not enable the feature, so need we do some configure, the steps are as follow,
Click Edit > Preferences, choose Documents, and then check the box marked, “Restore last view settings when reopening documents.
Free free to have a look the screen shots.

That’s it! Sometimes the best hacks are the simplest ones.

If your Adobe Reader version is lower than 8.0, please try this javascript plugin,

Download bookmark_page.js-1.0.zip. Unzip it, and then copy it into your Acrobat or Reader JavaScripts directory. Restart Acrobat/Reader, and bookmark_page.js will add new items to your View menu(from screen shot, you can find there are 4 menus under rotate view menu).