When creating a new TrueView campaign, how long should be allocated for creative review?
Up to 6 hours
Up to 24 hours
Up to 2 hours
Up to 12 hours
After initial upload, it takes approximately 24 hours for creative and landing page review. Please wait at least 24 hours after uploading before you contact support.
Read more here: https://support.google.com/displayvideo/answer/6063030