vBulletin Source code

hey boys ...

the phpbb 3 is awesome .... but well there are some issues are not clearly solved out.

and no final in sight ...

however ... are someone knows how the lizensing in vBulletin works ?

are 2 boards possible to runn (on the same site) ?

and do the customer get the sourcecode ??

there is no hint at all about this in the FAQ's ...

thanks alot for the infos