You can easily check the full list of connected accounts:
1- Log into your Simplified account with your email or Google/Facebook login.
2- Open your Social Media section from the menu bar on the left.
3- Click on the Publishing icon in the left menu.
4- Open the Connected Accounts by clicking on the grid icon in the left corner.
5- Now, you can see connected social accounts.
To see the individual content of each account, click the eye icon to the right of each account.
To see the contents of all accounts, click the eye icon at the top of the account control panel.
To see your social accounts lists by groups, follow the steps on this article.