Hello,
you can control all addons with the FF.au3 via _FFCmd ... .
For examples look there:
http://thorsten-willert.de/Themen/FFau3/FF_AddOns_UDFs/files
please.
To find the functions from PrintPDF you can use _FFObjectInfo.
(I can't try it because I doesn't have Windows here, this week)
Stilgar