From business.facebook.com:

1. Click on the gear next to your business portfolio.

2. In the left menu, click on Pages.

3. Click on your Page and then click on the Assign Partner Button.

4. Click on Business ID and enter Elevation’s Business ID (577875045732973)

5. Switch on the Full Control / Everything Toggle.

6. Click Assign.

7. Repeat these same steps for your Instagram account as well as any relevant Ad Accounts (if any).