I’ve been looking for WordPress plugin for a video Ad Server that is available. No luck, any suggestions?
You should check out AdBulter. AdButler WordPress plugin generates ad tags enabling you to configure and manage your AdButler ad zones directly from inside your WordPress administration widget area. Using the AdButler system you can create publisher zones, advertisers, and associated banners to help monetize your site and effortlessly manage your ad distribution and configuration. It also supports Video Ad Serving and lets you manage large, complex, and deeply targeted video advertising campaigns on mobile and display within one ad serving solution.
WordPress Free Plugin link: https://wordpress.org/plugins/adbutler/