Hello,winkedcosmeticta.Allowing cookies for QuickBooks Online helps save time as there is no need to re-enter your information on your next visit.
You can follow the steps below to accept cookies in Safari:
After that, you can try to access the Employees' tab again. To learn more about cache and cookies in QuickBooks Online, see this article: Clear cache and cookies to fix issues when using QuickBooks Online.
I'll be around to help if you need additional assistance. Have a good one.