This is a note for all others searching for a PDFsam version that can be deployed in Enterprise via Active Directory. I'm not a member of the PDFsam team, but I've created a full-fledged per Machine MSI setup for them to make PDFsam deployable via Active Directory. If you'd like to push it out to your users desktops - it's available now. No need to wrap suxxx NSIS installer into an MSI any longer.
I have received feedback from the main developer that we will look into it for the next official version. He took over and you can download the latest MSI version of PDFsam Basic from the project homepage.
These are the setup features that have been implemented and can be enabled/disabled via transforms: