We’ve just release V2.1 of our Apoc PDF Toolkit component.

The new release has the following features:
Security and encryption
- Read and write documents using 40- or 128-bit encryption.
- Modify owner and user passwords
- Modify document permissions such as ability to print, extract text, etc.

For a complete feature list - http://www.chive.com/products/apocpdffeatures.aspx