Having issues getting Nginx to work on my Ubuntu server

I'm having difficulties running my Nginx server on my Ubuntu cloud instance. Here is a quick rundown, I have installed Nginx properly, edited my settings in the sites enable file along with the sites available file, I've set my UFW to allow full Nginx service and I still cannot display the default Nginx site you get when the application is installed correctly. Just a heads up that I am accessing the page with the Public IP of my Ubuntu instance server. I've read tons of troubleshooting problems and can't figure it out. When I initially created the server, I made