Once Surface Lab has been added as an Asset Library in Blender, open an Asset Browser window and select Surface Lab from the drop-down box.
Here, you will see a list of textures that you can drag-n-drop on to your mesh object. Once dropped, select that object and go to the Modifiers tab to access these parameters:
NOTE You may want to add a Remesh modifier on your object first if it has non-uniform geometry.