There are several ways of interfacing PDF forms to a third party application. The technique you choose depends on a number of factors, including exactly what youre trying to achieve, and the capabilities of the application.
Full details on how to do this can be found here:
http://avokahhh.wordpress.com/2008/04/14/how-can-you-interface-a-pdf-form-to-a-third-party-applicati...Regards,
Tineke Osten - Avoka
www.avoka.com