how to add new user, manager and reporter on youtube brand channel

Only the owner of a Brand Account can grant people access to a YouTube channel. Owners can add other owners, managers, reporters and communications managers. You can choose to designate managers or communications managers for YouTube channels.

NB; Communications managers have limited access and can't upload YouTube videos to that channel.

to add follow the steps below

sign in On your YouTube as the owner of the Brand Account.
In the top right, click the account icon and select the channel you want to manage.
Go to the channel's account settings by clicking the channel icon - then Settings or settings icon .
Click Add or remove managers. You'll be redirected to the "Brand Account details" page.
Next to "Managers," click Manage permissions.
Add an owner: Click the dropdown arrow below the person's name and select Transfer ownership.
Add a manager: Enter the email address for the person you want to be a manager. Click Invite. Once they accept the invitation, they’ll be able to access the channel from their own Google Account. You can also do this to change an owner to a manager.

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