To start detecting content from your Instagram brand mentions, you must log in to Facebook and connect Archive with your Instagram account and Facebook page. Follow the instructions below for a smooth onboarding.
Click the “Connect Now” Button
Click “Continue as (Your Name)” or switch to the Facebook Account with Access to your business's Facebook Page
then select your Instagram Business Account and only that one
Select the Facebook Page connected to your Instagram Business Account and only that one
Allow all permissions. Disabling some of the permissions will result in your stories not being detected.