To add individual employees, log in with your Employer Account here and click “Employee Info”.
Then click "Add new employee" from the top-right corner of your "Employee Info" dashboard on Peanut Butter and enter the relevant Employee information.
Click "Invite & Finish".
If you want to add a few more at this point, you can select "Invite & Continue"
You will now see the newly invited employee on your "Employee Info" dashboard
Want to add employees in batches? Check out this article!