You can export a CSV of the submitted ratings by selecting Export ratings data on the brand's panel on the Manage Brands home screen:
You make your start and end date selections (within the last 90 days), and click Download as CSV:
The download will be for that particular brand only and will contain data such as the brand, order number, delivery stage for which the rating was submitted, the carrier, the estimated delivery date, plus the rating (from 1-5).