Convert PPSM to PDF

If you need to, you can easily print any PowerPoint slideshow (.pps, .ppsm, .ppsx) or presentation (.ppt, .pptm, .pptx) to a PDF file using virtual printer via the Print function. Such ppsm to pdf conversion or export should be doable with many presentation software programs, of course including  PowerPoint itself. MS Office installs PDF driver by default, so easy enough.