Why can't I see any Facebook insight reporting data?
There are a few scenarios in which you may not be able to view your Facebook insight reporting data...
1. There may not be any data to be displayed yet for a particular campaign. Reporting data is generated when your post is interacted with on Facebook via clicks, shares, likes, and comments.
2. Sometimes it may take up to 48 hours for Facebook insight data to populate.
3. If your Facebook page has less than 30 likes, Facebook will not allow you to enabled Facebook insights reporting
4. Insights Reporting has not been enabled for your account. To enable this permission, follow the steps in this article