If you wants to run GMV Max campaigns for a TikTok account connected to a Business Center, you can request authorization from the TikTok Shop owner. GMV Max authorization allows you to create GMV Max campaigns in TikTok Ads Manager for a partner shop.
The GMV Max ad account, TikTok accounts, and TikTok Shop need to be in the same Business Center for running GMV Max campaigns.
You'll need to have Ad promotion permission for the Shop you want to request GMV Max authorization for.
You'll need have permission to use the ad account you want to authorize for GMV Max.
You'll need admin access for your Business Center account or Seller Center account.
To request GMV Max authorization:
Sign into your Seller Center account with partner access to the TikTok Shop.
Click Shop Ads in the left-hand menu.
Click Manage account.
Go to GMV Max account and click Add GMV Max account under Authorization needed.
You can set the GMV Max ad account as primary ad account to see GMV Max data in Seller Center Shop Ads tab