You have the option to change your Dashboard display view from Advertiser to Parent Advertiser.
Toggling to Parent Advertiser you can view creatives and spend at the Parent Level in the Dashboard.
After you select Parent Advertiser, your Dashboard will update to display the Parent Advertiser instead of the Advertiser.
Parent Advertiser is listed in the Carousel of Ads
Parent Advertiser is listed in all the multiple visualization charts within the Carousel of Insights
A Parent Advertiser column is in the Ad List