To preview your ad, follow the steps below:
Click Audience Management, then click Ad Summary.
By the relevant ad, click the Preview
icon.To exit the preview, click the X in the top left corner.
Preview the ad details
Depending on the type of ad, when you preview an ad you can view the:
Ad account.
Ad name.
Campaign objective.
Target description.
Delivery estimate.
Content.
Billing event.
Bid amount.
Budget.
How it looks on different platforms when it's live:
Desktop.
Mobile.
Display.