Unfortunately, you can’t import reviews automatically from Facebook.
If you wanna import reviews from Facebook to Judge.me, you'd need to create a CSV with the data manually, following the instructions on Direct Import. Besides, you can add a Judge.me Reviews tab on your Facebook Page that helps you display reviews from your store, like this:
You can read more on how to enable this feature here.
Lily Vuong
Can we import proper reviews from our facebook page to our website through Judge.me?