With the updated version of the plugin, Maya users on Mac OSX will have access to the functionality of the Maya plugin.
The Mac version of the plugin enables the user to import SketchUp, Rhino, U3D, 3D PDF, and 3DS directly to Maya.
It also enables the Maya user to export 3D PDF files directly from Maya.
The user can export current Maya model as a SimLab Archive File readable using the free application SimLab CAD Viewer on Windows and Mac.
More information about the plugin is available here