We can only add invoices, payments, deposits and adjustment notes when creating a statement in QuickBooks Online. Let me show you how to create a statement.
Select + New and the Statement.
In the Statement Type dropdown ▼, select the customer statement type:
Balance Forward: Lists invoices and payments with outstanding balances for a specific date range.
Open Item: Lists all open, unpaid invoices from the last 365 days.
Transaction Statement: Lists all transactions for the selected date range.
Select a Customer balancestatus on the drop-down menu.
Select a Statement date and date range.
Select Apply.
Quotes can't be added on the statement as it is a non-posting transaction. On the other hand, you can generate a report which you can view the quotes entered in QuickBooks. Here's how: