If you are managing your Facebook Page via Business Manager, then is necessary to add the Instagram account there as well.
👉 Open the Business settings in the section Accounts – Instagram accounts, and click Add account.
👉 Click Connect Your Instagram Account, and you will get redirected to log in to your Instagram account (you will need the password).
👉 Click Finish.
You can see the Instagram account connected in BM.
If you have any questions, don't hesitate to contact us via the in-app chat or on our email firstname.lastname@example.org 🙂