Simlab Composer 2.3 is released
http://www.simlab-soft.com/3d-products/simlab-composer-main.aspx
(exist now in German and French ;)

Integration inside Sketchup for render and Import / Export
Import 3D From Sketchup FBX, OBJ, STEP, IGES, ACIS, SolidWorks, Inventor, SolidEdge, 3D PDF, 3D XML, U3D, STL
or export formats FBX, OBJ, U3D, 3D PDF, STL and Zim for Ipad iphone Itouch

free copy of SimLab Composer 2.3 (3D PDF edition) (value of $99) for each plugin owner from SimLab (3D PDF, importers or exporters)
all what you need to do is to send an email to license@simlab-soft with information about the plugin you already purchased
and you will receive a license and instructions.

SimLab Composer can be downloaded from http://www.simlab-soft.com/3d-products/simlab-composer-trial.aspx
SimLab Composer / SketchUp integration can be downloaded from http://www.simlab-soft.com/3d-products/simlab-composer-sketchup-integration.aspx

SimLab Composer 2.3 and the integration plugin are supported of Windows and Mac

Please send any issue you face to support@simlab-soft.com

ps For the French Manual : sure but in a few days ;)