Connect business Instagram through the Facebook page
Make sure you have an Instagram business account
You have to connect your Instagram account to the Facebook page. If you want to connect your Instagram account to the Facebook page then make sure the Instagram account is a business account.
If your Instagram account is not a business account, don’t worry here is the step on how you can switch it to a business account.
Go to your Instagram account settings
Once in the account settings, you’ll see a blue call-to-action at the bottom of the page for you to Switch to Business Account.
Connect your Instagram business account with Facebook
Go to your Facebook business page from the page owner’s Facebook account
Under Facebook, page setting finds the Instagram tab.
Connect your Instagram account here with this Facebook page.
Connect your Facebook account with CS InstaPhoto Feed
Now just connect your Facebook with the app and choose your Facebook page and then your Instagram account.