Thanks for reaching out to us, mayarath.

Let me share more details about managing users and bill pay email notifications.

Are you trying to add a new user to your QuickBooks Online account or an authorized Bill Pay user on your bank account? If that is for your QuickBooks account, please ensure that you log in as admin. Then, you can follow these easy steps.

Here's how:

1. Go to the Gear or Setting icon.
2. Select Manage users.
3. Click Add user.
4. Select a user type, then hit Next.
5. Choose the access right for the user, then Next.
6. Select the user settings if necessary. Then click Next.
7. Enter the user's name and email address. 
8. Hit Save.

Once done, an email invite will be sent to the user. Ask them to click the link in the email and follow the instruction to completely set up their access. For your reference, you can check out this article for more details: Add and manage users in QuickBooks Online.

These are the steps to add authorized Bill Pay users:

1. Go to the Gear or Setting icon.
2. Select Account and settings.
3. Click Bill Pay, then Bank accounts.
4. Choose the bank account number for the account the user will be added to.
5. On the Bank Account page, hit Add.
6. Select the user that needs to access Bill Pay from the dropdown list, then Save.
7. The user will receive an email requesting the user to log in to QuickBooks Online and finish the bank account setup.
8. Once the user logs in, they will receive a prompt to complete the setup for the bank.
9. The user will be asked to set of questions to confirm their identity.
10. Once done, they'll be able to use the bank account to pay bills.

On the other hand, let's ensure that your employee is already removed from the vendor's profile so they're no longer receive bill pay email notifications. I'll show you how.

1. Go to the Expenses menu, then Vendors.
2. Look for the name of your employee that you want to remove.
3. Click the dropdown list beside Create bill, then choose Make inactive.
4. Hit Ok.

If it's already removed from the vendor profile, I suggest reaching out to our QuickBooks Support Team. They'll be able to do a screen sharing to check your account set up and further investigate the issue.

For future reference, I've included this resource to learn how to track how much you're paying each vendor monthly: How to run and save a monthly expense report by vendor.

You can tag me in a comment below if you need further assistance. I'll be right here to help you.