Final answer:
QuickBooks Online Advanced offers advanced reporting and custom user permissions that are not available in QuickBooks Online Plus, providing enhanced financial insights and user access control.
Step-by-step explanation:
The two features of QuickBooks Online Advanced that are not available to QuickBooks Online Plus clients are a) Advanced reporting and custom user permissions. QuickBooks Online Advanced provides more powerful reporting features that allow users to customize their report templates and gain deeper insights into their business financials. Moreover, this edition allows for more granular control over what each user can see and do within the software with its custom user permissions.