Hello Cydney Helms,
Thank you so much for using our theme MercantilePro.
Have you checked our demo? Is our demo appeared what you said above? Please check our theme demo and try to find the similar issues.
We think, you missed something while creating the one page site. Please look on the blog post and try again.
Let us know, if the problem is not solved. Provide your site URL, so that we can look on the real issues.