If you need to convert office documents such as word, power point or excel to pdf there is an add on for Office 2007 that can be downloaded from here:
You will need to validate your version of office, simply click the "Continue" button. This should take less than 30 seconds.
Once this is complete, click the "Download" button.
When File Download windows appears, click the "Run" button.
A security warning window may appear, click "Run" button again.
Click the "check box" for Accept the License terms.
Click the "Continue" button
The install should complete.
Click the "Ok" button.
To use this functionality simply open up an office document and click the Office Button (upper right) and choose "Save As". You should see an option for "PDF or XPS". Click on this and then save the document as you normally would.