Hi welcome to the Brave community @Chick
The number of ads you see depends on the availability of the ads campaign in your country and match found between your interest,
Brave Ads - Supported Countries,
https://brave.com/transparency/
Brave Ads FAQ,
https://support.brave.com/hc/en-us/articles/360026648512-How-do-I-opt-in-to-Brave-Ads-
https://support.brave.com/hc/en-us/articles/360026361072-Brave-Ads-FAQ