1.First thing to do is to turn on the Ad Authorize toggle in your TikTok app:
Click on “Me” -> in the top right corner tap the 3 lines/dots -> In the “Settings and privacy” section click on “Privacy” -> Turn on the Ad settings:
For TikTok version 22.6 and above: Settings and privacy -> Creator tools -> Ad settings.
Choose a post and click on the 3 lines/dots -> Ad settings -> Agree to Advertising
Content Terms -> Activate the Ad authorization toggle:
Done!