Bit ashamed of this one.  Was simply doing something wrong in the FormsService renderPDFForm operation to merge the form with data.For anyone in the future that is experiencing the same problem, in the FormsService renderPDFForm operation of the process, view All options in the property sheet, and u...

A after a bit of grunt work I have a better understanding of what is going on, and a solution.  I scripted several calls to xfa.host.messageBox(...) on various events.  Turns out that the pre-populated fields are not the culprit - they have values as expected.  The trouble is with the non-pre-popula...