I know the possible reason why generating a statement from an estimate is not possible in QuickBooks Desktop (QBDT), CAM35. Let me explain it in detail.
Non-posting transactions do not affect the totals in your report, nor do they impact the customer's or accounts receivable balances. Examples of non-posting transactions include estimates, sales orders, and purchase orders.
Additionally, you can check out this article for step-by-step guidance on reconciling your accounts. It will help ensure your financial records match your bank and credit card statements, reducing discrepancies and improving accuracy. Reconcile an account in QuickBooks Desktop.
I'm still available if you need further assistance with your estimates in QBDT. Just add your reply below, and I'll follow up to help you.