@Heidi05 , couple of questions
1. Are you using Interactive image component from Dynamic Media? If yes it should work automatically by publishing the image with hotspot.
2. Are you showing pop up with product information , remember to publish product catalog items too.
Please check the below video it will be helpful
https://s7d5.scene7.com/s7viewers/html5/VideoViewer.html?videoserverurl=https://s7d5.scene7.com/is/c...