if you have a free version, it can also be used for commercial purposes, but free libraries are severely truncated, for the Pro version, you pay for a license, and these libraries are either free or within the purchased license ... --- here is forum in Czech, you can find out more there: http: //sketchup.wu.cz/forum/index.php --- here we talk about free programs for commerce:
http://www.podnikatel.cz/clanky/jak- equip-company-computer-free-4-part / --- otherwise this applies to version 2013: Pricing policy for the FREE version with Make: However, this version has the first "free" version in the license conditions stating that it must not be used for commercial purposes !!! (This limitation was not specified in previous free versions). Source: http: //www.radekryznar.cz/nova-verze-programu-sketchup-pro-rok-2013-ma-oznaceni-make-freeware/ --- , keep asking ...