Sx Bot is using Discord's v2 command permission system, effective February 28, 2023. For more information on this, visit Discord's command permissions page.
To setup command permissions, head over to Server Settings -> Integrations -> Bots and Apps -> Sx Bot. From here you can search for individual commands, and allow or restrict usage based on roles, members, or channels.
Integrations -> Bots and Apps > Sx Bot
Allow or Restrict access to commands by roles, members, or channels.