Need assistance Converting tiff to pdf!

Hi All

My asp.net app retrieves the path to a tiff image on the server, I would like to convert the tiff image to pdf and display the pdf.

I have found various converters that iether convert on the command line or via a printer driver.

I created an activex library which basicaly converts the image to pdf which i redirect to.

The dll works 100% in vb6 but when I run it under asp.net the conversion does not take place and no error is retured.

Any Ideas as to what I could be doing wrong?

thanx in advance.