Your question isn't TWS template related (yet), but here you go:
Sibelius provides a CoMB2 sound set by default and will show up within the program after you copy the Aria VST/AU plugin file into the Avid VSTPlugin folder. This is the same location where you put the VDL/Kontakt plugin file(s).
Sibelius provides a CoMB2 sound set by default and will show up within the program after you copy the Aria VST/AU plugin file into the Avid VSTPlugin folder. This is the same location where you put the VDL/Kontakt plugin file(s).