InfoPath to PDF Converter Converter is free to download and evaluate. You can try many times then decide to pay for it or not.

Features of InfoPath to PDF Converter:
1.Support Windows 2000 and later systems of both 32bit and 64bit.
2.Output formats: PDF, PS, EPS, SWF, XPS, HPGL, PCL, TIF, PNG, JPG, BMP, GIF, TGA, PCX, EMF and WMF
3.Convert MS Office InfoPath documents to PDF files in batch.
4.Support to encrypt the PDF document.
5.Able to add page number for the output PDF document.
6.Support to add watermark for the PDF document.
7.Allow users to set color depth and resize image when converting document to image.
8.Supply various compression methods for output TIFF format.