First, note that the setup for Instagram is listed under Facebook Media Source Configuration.
Prepare Your Instagram Ads Account with Facebook
Facebook documentation can be found here: https://developers.facebook.com/docs/marketing-api/guides/instagramads/
1) Link your Instagram account in the Facebook Business Manager.
2) Once added in Business Manager, Assign an Ad Account to your Instagram Account.
· Please clearly denote Instagram as a Facebook campaign name ·
In this way you could split Facebook and Instagram traffic in case both platforms y driving traffic to the app.
3) Let your eXpert Service know you've configured this Instagram campaign to confirm everything is correct.
4) When the campaign starts to get installs, new EMMA sources will be added into Facebook App Installs campaign.