I could see business income flowing in 1040 form, but doesn't show schedule C in the 1040 review document
To preview your Form 1040, including Your Schedule C and Schedule SE before you file, refer to the TurboTax article How do I preview my TurboTax Online return before filing?
Make sure that you select include government and TurboTax worksheets. You will have to pay for TurboTax Online or register if using the free product.
Refer to the TurboTax Help article How do I preview my return in the TurboTax Desktop software?