The selected quote's Approval Stage is Accepted and the Approval Status is Approved.
Once the quote is accepted, you can create a contract from the quote details page and preview it in the Contract APPs.
Go to the Quotes page.
Click the required quote.
A quote details page is displayed.
Click the vertical ellipsis icon next to the Generate button.
Click Create Contract.
A new contract is created and previewed in the Contract Apps. You can also access the associated contracts from the Related List, available on the quote details page.