Currently, Facebook doesn't provide automated reporting for Facebook Stories or Facebook Reels. You can still add these deliverables to your campaigns manually. Here's how:
First, create a deliverable with the label "Facebook Stories" or "Facebook Reels":
Then, add the URL of the deliverable if you know it. If you don't add a deliverable URL, you'll have to choose a deliverable type here:
Expand the 'Preview & Edit' fields:
Now, you can add the metrics that you see in the Facebook insights dashboard, and if necessary, add screenshots to the card: