How is the font for the main menu changed? Not able to located in the WPBakery which is used with the Colors Creative theme purchased. https://themeforest.net/item/colors-creative-portfolio-for-freelancers-agencies/11471702?ref=Openmarco.
I think you can get font settings in your theme options.
Please check the Item documentation hopefully you will get necessary support. If you have still problem with the Item then the best way to get the support is Contact your purchased Item Author. How to Contact Author and let them know because Item Author are best expert about their Item functionality. Don’t worry just contact Author. Author will be very happy to assist you.