Galaxy TAB S4: How to remove an Account?

Navigate to Apps screen > Tap Settings > Tap Display > Tap Cloud and accounts > Tap Accounts > Select the account you want to remove >Tap REMOVE ACCOUNT.

Pictorial representation of the above settings are as follows:

Note: You can remove an account from your tablet if it is no longer in use or if you no longer want it associated with your tablet. After it has been removed, you will not have access to any of the data from the account.