It depends. It is common to receive less than your stats indicate that you will due to the settlement & processing of some payments not completing until that particular payout period has ended, so they roll into the next.
But, Brave posted this 
regarding users experiencing certain issues with rewards. I believe it may be able to shed some light on your situation. Im not 100% that it will apply to you but I just wanted to make sure that I shared it with you in the event that you may not have seen it. 
https://community.brave.app/t/ads-payout-status-update/287895/72?u=sacking
3 Likes