Adobe Contribute CS4

PDF (adobe.com)

Contribute CS4 Resources

Using Adobe Contribute CS4
Deploying Adobe Contribute CS4 (adobe.com)

Adding pages, blog entries, and documents / About converting documents to PDFs (Windows only) / Insert Office documents as PDFs in Contribute pages (Windows only)

Delete a PDF document from a draft

In the draft, highlight the PDF document to select it.
Press the Delete key.

community help (adobe.com)