ContextCapture Editor - Mesh modification

Hi, where can I find video or tips and trick using the differents mesh manipulation tools in CCeditor with mesh done from Realitymodeling (OBJ, 3mx or other).

My problem is when doing many manipulation I'm losing the "photo material".  Is there any tips on cuting our model then filing holes and get the "photo material" applied back to the mesh?

If not what are the options? I just create a new mesh and apply some regular material?  Will How will contextcapture handle this back?

Thanks