You will be able to use all audio and MIDI devices available in VCV Rack. Rack for DAWs will add the “DAW” audio/MIDI driver which will allow you to communicate with your DAW, but it will not remove the other drivers.
Note that using multiple audio devices (e.g. two VCV Audio module using the “DAW” and “CoreAudio” drivers) will not guarantee stability of both audio devices simultaneously. You must choose one as the “Primary audio device”, which I recommend should be the VCV Audio module using the “DAW” driver.