Creating PDF files is a pretty intense task. It is possible but not unless you intend to spend a LOT of time doing it.
A solution for creating PDF files on the fly is using FDF files(PDF forms). The solution is pretty elegant, but does not work for everyone (you cannot add pictures for instance). Also you need to buy a copy of Adobe Acrobat to create the forms.
You can read more about the technique on Director-Online here:
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