Explanation:

Step 1: Connect data to the model.
First create an AI Builder form processing model for the customer reviews you want to process.

Step 2: Train the model.
Step 3: Publish the model.
Step 4: Use the model in a Power Automate flow.
Once you train and publish the model, create a solution-aware flow in Power Automate.
Reference:
https://powerapps.microsoft.com/en-us/blog/introducing-simplified-ai-builder-experience-in-power-automate/