I need a second user to be able to approve and make schedules

What do you need to approve and schedule? 

What kind of business do you run?

Hello accounting-calid. QuickBooks makes it simple for you to manage your users. I encourage you to check out this helpful article here as it shows you how to add users and it also provides info on the types of users you can add. Feel free to browse through the article and let me know if you have questions. I'll be one message away in case you need anything else.