Solved-how to limit categories

-- HikaShop version -- : 2.6.3
-- Joomla version -- : 3.4.3
-- PHP version -- : 5.2

hi how do i select which category vendors can see? i tried to select categories options > parent category > product category.

but on the front end vendors can see the root and all other categories. How do i change this to show product category only

thanks