Probably 1st-party ads – Brave generally doesn’t block these. You can try right clicking on the ad element and select “Brave > block element via selector” as a last resort/hacky fix in the interim. 
Probably 1st-party ads – Brave generally doesn’t block these. You can try right clicking on the ad element and select “Brave > block element via selector” as a last resort/hacky fix in the interim.