Unfortunately the program doesn't allow you to save the file as PDF. Also, it allows you to save it only as CVW but this format can't be converted easily to PDF. I recommend you export it as Metafile using the provided option from the File menu:
This function will save the file as WMF that can easily be converted using online tools that you can find using Google search engine. I tried the utility from the firs link and it works without issues:
This is a CVW template that came with the program. I converted it to PDF using the mentioned tool.