The Ads tab in AdWords lets you view and edit all of your ads, as well as check their status and performance. In the new AdWords interface, you’ve access to the Ads tab within individual ad groups, whole campaigns, or for your entire account. One new feature adds the ability to see which ads are pending approval. You can use filtering to quickly identify all ads that are pending review. Click on Filter and views and select Filter Ads. From the drop-down, select Approval Status, and then check the box for Pending. Click Apply and the table will only show ads that are pending approval.
Full Article: AdWords blog