Is there a way to edit the photo such as cropping them, making them blur, or adding some effects on to the photos. Or is it possible to put up the photo has the background of the dashboard.
You can use the custom content visual to add visuals to your dashboard: Using custom visual content - Amazon QuickSight. Check out our free form layout in order to overlap visuals such as this image: Types of layout - Amazon QuickSight. We don’t support editing visuals on Quick Sight though