When adding static images to reports, you have the choice to use a local image or an image that is stored in SAS Content. When you use a local image, the image file itself is stored with the report. However, when you use an image that is stored in SAS Content, only a link to the image is stored with the report.
If you migrate a report, only those images that are from the local system (which are saved with the report) are included. Images that come from SAS Content need to be moved manually.