Adobe Acrobat DC is the best Word to PDF converter overall - but, maybe that's unsurprising, given the company behind the top ...

Salmela’s Automator action converts a DOCX file into a PDF from the right-click menu, making it a lot easier to convert the file, then open it up.

Converting a DOCX Into a PDF With Acrobat. Adobe Acrobat allows you to create, edit and manage existing PDF files by adding a wide range of features, such as audio and video playback capabilities.

You can convert PowerPoint presentations including PPT, PPTX, PPS, and PPSX to PDF and other file formats like DOC, DOCX, Images, etc.