AdsVictory is mainly a header bidding and monetization platform for publishers, using Prebid to connect a site to almost 30 demand partners at once. The page also says it offers buy and sell-side ad operations, but does not name specific ad products an advertiser can buy.
How to open an account here, what it takes and the minimum spend.
Exchanges of the same type whose publishers are in the same markets, with the same formats, Best for and way in.