Magento

Hi All, i am from Brazil, and i need to know, it is possible to create a role to put a user to Manage one specific store
like this:

store 1
- user1 have access to the products, reports, etc just to this store

store 2
- user 2 have access to the products, reports, etc, just to this store..

It is possible?

Sorry for my Bad English.

Any help will be appreciate