Yes, you can edit parameters like color, gloss, bump, and others. The specific parameters vary depending on the native material format for the respective Chaos product. For platforms such as 3ds Max, Maya and Houdini, the proprietary material format parameters can be customized, while for SketchUp and Rhino the .vrmat standard variables are used. In any case, you can edit the Cosmos materials in the way you would edit any other material in the host app.