View, Annotate and Convert Visio drawings on a Mac with VSDX Annotator Posted 8/08/2016 at 19:35 UTC in Mac by gnye@amdesign.net | Permalink | Tweet Nektony today introduces VSDX Annotator 1.1, a unique tool, designed to let anyone open, preview and annotate Visio drawings on Mac OS. VSDX Annotator can open multi-paged documents, giving users the possibility to turn pages, switch layer visibility, view shape data and hyperlinks. There is a total of 12 annotation tools, including adding notes, comments, titles, shapes, arrows, graphic files and more. You can also convert the file to a PDF or send it in PDF format via email from the menu bar.