-ConvertPcl2PdfNtin was a typo:corrected is : "ConvertPcl2PdfNt in"
-for vb2vfp try download this (tested working link) : https://www.sweetpotatosoftware.com/files/vbtovfp.zip
-i cannot test the code because i have not the dll.i gave you also a com code to test...
-for information there is Bullzip can convert programmatly to pdf (there is also microsoft print to pdf,pdfCreator...and others - google).