Here is How to install PDF To Go 2.0 for BlackBerry

Environment
Documents To Go® Premium 2.0 for BlackBerry

Overview

Documents To Go® PDF To Go is part of the Premium Edition of Documents To Go 2.0, and is installed separately from the other Documents To Go applications. The easiest (and recommended) way to install PDF To Go is to do so "Over The Air" (OTA) as described below. This method requires an internet connection on the handheld. If an OTA installation is not possible, it can be installed by copying a set of installation files to the BlackBerry from a computer. Both methods of installation are described below.

NOTE: PDF To Go 2.0 requires Documents To Go Premium Edition v2.000 (purchase or trial).

Related Links:

To download & install the PDF To Go 2.0 application, follow these steps:

Open one of the Documents To Go applications on the BlackBerry smartphone.
Press the Menu key and select Download PDF To Go.
Choose 'Yes' when asked if you want to connect to the DataViz website.
On the "PDF To Go Download Area" page, select "Download PDF To Go for OS 4.x devices".
Click the Download button and follow the on-screen steps to complete the download & installation.
NOTE: The menu option for "Download PDF To Go" will not appear in the Documents To Go 2.0 applications if Standard Edition is installed, or if PDF To Go is already installed. To check which version of PDF To Go is installed, open PDF To Go, press the Menu key, and select About PDF To Go.