I can't answer the NCSU specific questions, because I'm not familiar with the technology library you're using, but the "importing components from Composer into Virtuoso" is not really technology specific, but certainly would require some setup to ensure that the technology works well with Virtuoso Layout XL. Having a layout representation of the components (e.g. a layout pcell) is technology specific. It's not clear what is going wrong from your description.
My suggestion would be to contact the providers of the design kit.