You have two options.
First, you can navigate back to the input section as applicable and review the entries there. Please see Where do I enter my 1099-DIV in TurboTax Online to get to the input section for your 1099-DIV forms.

You also have the option of previewing your forms by following the instructions in this link. Compare the amounts reported Schedule B to review your dividend income to your 1099-DIV forms.
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