Why people's use macro on brave browser?

Hello everyone!

I don’t know, how it works on brave browser? I know macro work like automation, why people’s use it on brave browser? And i have one more question? Nowadays, how do you get your multiple brave ads?there are brave ads are not working if i just run in background in my machine, so, how do you work now on brave? Please share your suggest, it will be help for us. Please tell me if you know the solution and how does work macro?
Thanks