You can manage all of your Trade Account Users if you are the Trade Account Owner (TAO). Select the "Tools" tab after you log in. From this screen, you can use the "Add User" drop down menu to add to an existing user or to create a new user. You will also see a list of users already active under the account. Select the user name to be provided with different management options including password reset and revoking user access.
Please refer to the Managing User Access guide for detailed instructions on managing your Trade Account Users.