How To create the About pages
There are two About templates created by default that you can use. You will need the Visual Composer plugin installed, follow the instruction here to installed in case didn't already:
Now go to your Admin Panel > Pages > Add new, you can put any title, in this case "About".
Switch to the Backend Editor from Visual Composer:
Then click on Add Template:
There you will see the two About templates, let's select the "About Me" for example:
That will add every element automatically:
Now you can start editing the elements to fit your needs. If you need help on how to use the Visual Composer, please take a look at the documentation of the plugin: