For conversion of .emz to .pdf you can use popular XnView program. XnView is a digital pictures management and editing software for Windows (beta versions is also available for Mac and Linux). It can convert Microsoft Windows compressed enhanced metafile to PDF.
Open .emz file in XnView → Click on File menu > Save As... → select File type to PDF → type name of the new file in the File Name text box → Click on Save button.
Any software that is able to display the emz graphic file you should be able to print to pdf via OS function or installed virtual PDF printer.