You are only eligible for Promoted Listings Advanced (BETA) ads if you are an 'Above Standard' or 'Top Rated' seller with recent sales history on eBay.
Currently, Promoted Listings Advanced (BETA) is available for the US, UK, German, Austrian, and Italian markets.
eBay also has some restrictions when it comes to advertising products. Generally, all fixed price listings are eligible for advertising via Promoted Listings Advanced (BETA) ads, except for those in the following categories:
Wholesale & Job Lots
Cars
Motorcycles & Vehicles
Events Tickets
Property
E-Cigarettes
Vapes & Accs
Everything Else
For more information please refer to eBay’s article on Promoted Listings Advanced (BETA).