Does any of the Space catalogs (objects) cover the launch vehicle and stage 1 & 2 engines?  Do the defaults cover manned space?

Not, not soon at least.  HOWEVER, we and multiple NASA Centers have used the True-Hardware/Software catalogs for many years to estimate launch vehicles and manned vehicles.  Currently the Space Missions Catalog objects (i.e., estimating models) support robotic and unmanned missions.  But again, in the TruePlanning catalogs (HW, SW, Systems, etc), there has always been an Operating Specification choice for manned space per below—

To watch the "Best Practices using the TruePlanning Space Missions" Webinar, click here.