@Balari - welcome to the forum!
Do you need help installing Veras?
Here are the getting started guides:
- SketchUp: Getting Started with Veras SketchUp
- Revit: Rendering Exterior Cabin: The RAC Basic Sample Revit Model
- Rhino: Getting Started with Veras Rhino
You can also check out the workflows page here: Topics tagged veras-workflows