3DGoat

Hi, I have several normal maps on an object that can be shown and hidden. In principle, I can have a curvature map created for each normal map. For me, only the last created curvature map works with the smart materials. Is it possible to create multiple curvature maps on an object and is it somehow possible to select only the selected curvature map so that only this curvature map affects the smart materials? Many Thanks!