The Internet allows us to chat, exchange, search for news, share experiences, and download documents, gadgets, applications, etc. Besides saving documentation from websites, you can share your documents with users on the WordPress website. Creating a download button using custom fields is not a bad idea - it looks beautiful, professional, and not difficult to create at all.
If you own a chain restaurant, coffee shop, store, or even a company that has different branches in different cities, then you may want to markup all of them on a single map, and show this network on your website. Meta Box will give you an easy way to find exactly what you need!