If you are using VinylStudio Lite, the audio cleanup tools are fully functional but you will not be able to burn corrected (i.e. cleaned up) audio to CD.
Depending on exactly which version you have, some other features may also unavailable. These are:
To do these things you must upgrade to the full version, which you can do from VinylStudio's Help menu.
The version of VinylStudio Lite supplied with the NAD PP-3 can only record from the PP-3 via the USB port. If this causes you a problem, please get in touch. It can, however, export track listings for creating CD covers.