Usergroups privilleges not reflected


I am facing issue while assigning a privileges to the new user. I have a created one user as a vendor administrator. I want to define a new set of privileges to that user.

I want the new user to see only products tab on the admin page. What all privileges should i checked it so that only products tab is visible to that user.

i sove this

go to user groups and then add new group and vhange the privileges.