AFAIK, the main Sonar installer will only install 64 bit plugins for the 64 bit Sonar, and only 32 bit plugins for the 32 bit Sonar. So, it doesn't need to ask for two separate paths for VST, you decide about 64 or 32 bit in the beginning.
But, the main Sonar installer ignores the VST path settings from CCC. I think this is in both cases, when installing with or without verbose. This probably should be fixed.