You can get an approved ad on ExoClick for a new tab ad by following these steps. First, you need to create an account on ExoClick. After that, you should create a new campaign and select the "new tab" ad format. You must ensure your ad complies with ExoClick's guidelines. This includes using appropriate content and targeting. ExoClick reviews each ad before approval. You should submit the ad and wait for their approval. If your ad gets rejected, ExoClick will provide feedback. You can then make the necessary changes and resubmit. Approval can take some time but is usually quick.