From the Slides sidebar menu you can see all folders and slides available to you.

The AI icon is shown next to each slide, you can open the menu to start an AI algorithm for an individual slide by clicking the icon, the same icon is visible after opening an image in the top bar and will also open the menu to select an algorithm for that individual slide.

To run an AI algorithm as a batch process on a selection of slides, proceed by selecting multiple slides

Via the … icon you can access the AI menu

After selecting your AI algorithm, you first see the interface with details on your selected algorithm, the costs and you credits. After you click start, the task bar appears and you can see the progress of your request. When the message complete appears your results are available.