Once you've created an ad in TikTok Ads Manager, we recommend previewing it on your mobile device. You can preview your ad before submitting it for approval to ensure it looks how you want it to.
You won't be charged for ad previews.
You can preview ads in campaign creation.
To preview ads:
Once you've uploaded your media, an ad preview box will show your ad.
Click the app icon to change app previews.
Click the arrows at the bottom to change ad format previews.
Note: The ad preview is not specific to a device. There might be slight differences in appearance when it comes to different devices.
A preview is valid for 24 hours. You need to restart the process to preview it again.