Please make sure that an admin of your Facebook Business is completing these steps.
If you cannot see the Pending Partner request, try these steps.
Go to business.facebook.com and click "Settings."
Then click "More Business Settings."
Click on "Partners" in the left navigation bar below "Users." Then click "Add" and "Give a partner access to your assets."
Enter the Deck Business ID (630824567731606) and select the name of your Page under the "Select Assets" section, then enable "Ads" under the "Task Access" section. Finally, click "Save Changes."
After you've completed these steps, go back to your Deck account and click "I've linked my Facebook page to Deck."
You'll then need to link your disclaimer to Deck following the instructions in this help article.
If these steps do not work, please reach out to help@deck.tools.