Thanks for bringing this to our attention. Sorry to hear you’re having trouble with blocking ads. Our best recommendation is to use this link can block ads using aggressive mode.
Additionally if you are still seeing ads you can enable these filters Fanboy Annoyances List and uBlock Annoyances List to block most ads and trackers on the web. To select them click on this link: brave://settings/shields/filters then on filters list, search and check on the boxes corresponding to the ones mentioned previously.