Viacom already has a deal with Snapchat that carries content for Viacom-owned networks Comedy Central and MTV. The multi-year deal is expected to be discussed by Viacom chief executive Philippe Dauman during the earnings calls on Tuesday, the Journal said. Under the deal, Viacom will have exclusive third-party rights to directly sell advertising surrounding Snapchat’s content which includes pop-up “Live Stories” that cull posts from users in specific locations or during a holiday, the newspaper reported.