generate a standalone HTML file that contains 3D geometry with pseudocoloring that can then be visualized inside a browser. Other than letting you interact with the data by zooming, rotating, and panning, a scene exported this way is fairly static and allows limited interaction with the exported data.
It has been a while since I have used DAMASK 2.0, and we recommend users to move to DAMASK 3.0 (since we provide support for that). But looking at the old documentation one can visualize damage phase field value using: