Inherited iPad

Hello, my mother in law passed away a few months ago and I inherited her iPad. I’m unable to log her out of her iCloud account, when i try to sign out it asks for her password which, of course, I don’t have. I click on Sign Out, it asks if I want to sign out of all documents and data stored in iCloud, I click yes, then it asks if I want to “Delete from My iPad”, I click yes then I also tried to log her out of “Find My iPad”, and it asks for a password which I don’t have. Do I need to take it into Apple?