Actually, I was required to know what that means. I’m uncertain that you have any idea what it means.
Apparently I still know more than you about what it means, because the sentence is directly related to her own work product.
That means Susan Rice doesn't need permission to access her own product. And it also means that if she leaks information that McMaster gave her access to, it will be information that she already knew about since it's her work product to begin with.
Quit trying so hard. You're all sweaty.