RBK852 parent control

Netgear has set up a community forum specifically for the SPC product. Most of the people who watch that forum are more likely to have experience with SPC and know how to work it better than those of us who follow this "Nighthawk Router" forum. Might be more likely to find someone who has a solution if the question is posted there:

https://community.netgear.com/t5/NETGEAR-Smart-Home-Parental/bd-p/en-home-smart-parental-controls

https://www.netgear.com/home/services/smart-parental-controls/

Also, 

Netgear has set up a community forum specifically for the Orbi AX product. Most of the people who watch that forum are more likely to have experience with Orbi AX and know how to work it. 

https://community.netgear.com/t5/Orbi-AX/bd-p/en-home-orbi-ax

Good Luck