If you have multiple Facebook and/or Instagram pages that you want to manage through Sintra - you need to utilise separate workspaces. You can create up to 5 workspaces on your account (If you need more - reach out to support). Each workspace allows 1 connection per integration. This means that, if you have 3 Facebook and/or Instagram pages - you will need to:
Create a workspace for one social media connection
Set up the Facebook and Instagram connection in Brain AI
Create a new workspace and repeat the steps
Note: if your Facebook + Instagram accounts are under separate accounts, not under one, you need to log out of Facebook and clear your browser's cache and cookies before attempting to set up a new integration in a new workspace.