Hello @Giffy Exclusive Store,
1. You can adjust the position of the Review widget in XStore >> Theme Options >> WooCommerce >> Single Product Builder as desired. Please refer to the screenshot provided: https://postimg.cc/478JqwzW
2. For brands, the options are available in XStore >> Theme Options >> WooCommerce >> Shop Elements >> Brands. Please refer to the screenshot provided: https://postimg.cc/2btsntdN
Best Regards,
8Theme’s Team