Recently, I have heard several times that users are not able to create the Balance Sheet by Classes in QuickBooks Online. The great news for these people is… YES you can!
The bigger question might be why would you want to? There can actually be several reasons; for example, Not for Profit Organizations, and other 'fund' tracking organizations, may need to reflect their assets by class including inventory, or even liabilities like deposits or down payments which must be tracked on a class by class basis.......