Need FDF/PDF Flattener For ASP Web Application

We have a site with a pretty simple ASP 'classic' web page running on Windows 2003 which currently does the following:
 
1. The user fills in an HTML form and hit 'Submit'...
 
2. Then the ASP code does the following...
a. Generates an FDF from the HTML fields which has an embedded link to a PDF form on their web server and then...
b. Generates an e-mail with that FDF as an attachment.
 
So the user receives the e-mail with that attachment. He/she clicks on the FDF attachment and their Acrobat Reader shows them the filled out PDF. Worked great for years.
 
Unfortunately this has stopped working reliably with the latest versions of Acrobat.
 
So we need to figure out a way to deliver a flattened PDF to the user e-mail attachment and no more FDFs. Updating the ASP is NOT an option. Whatever we do has to work within ASP/II6.
 
So we need a toolkit installed on this web server so that...
1. Again the user fill in an HTML form and hits 'Submit'...
 
2. Then the ASP code does the following...
a. Again generate an FDF and then...
b. Have the new toolkit magically flatten the FDF and the PDF Form into an output PDF
c. Our application then would e-mail the resulting output PDF to the user.
 
Again, this needs to be achievable on an ASP classic Windows 2003 server. We have contacted another company and they have a command line tool which flattens the PDFs -perfectly- BUT they were unable to get it to work on the web server (they frankly did not know much about Windows/ASP/IIS so they had no idea how to set up the necessary network permissions in WSH to call their tool.)
 
So we either need:
1. Another tool which can do the above and is easily configurable within Windows IIS. Or...
2. We need a Windows IIS network permissions expert who can help us get the above command line tool to work properly over the web.
 
Any ideas?
 
Thanks,
 
---JC