Hello Andrea Markham,
Thank you so much for using our theme Corporate Plus Pro and thanks for using support forum for the query.
Is this issues arise after importing the dummy data? Can you please let us know your site URL as well. Please check Appearance < Menus and check the menu items there.
Kindly check all the options on Appearance < customize and try once.
Let us know if you have further more queries.
Warm Regards
Acme Supports