While some other users able to see that buttons.
So, what is the caused?
Change Status - to see this button, user need to have Manage Leads permission
Change Owner - to see this button, user need to have Transfer Leads permission
Add to Campaign - to see this button, user need to be Marketing User in user detail and also have Edit permission in Campaign object, this is also applicable for Contact list View.
On separate note, for custom object, user with Modify All permission for that object will see Change Owner button in the list view.