If you are using Sprocket Rocket App there are a variety of headers and footers included within the application. There may be some additional setup required to add the correct navigation and footer to your templates.
#1: Navigate to the Design Manager
#2: Right click on your navigation/footer module and click "Copy snippet"
#3: Navigation to the template you want to add you Navigation/Footer to.
Then paste the Snippet where you want the Navigation/Footer footer to appear. Below is an example with the Navigation/Footer added to the 404 template