Under which circumstances is it appropriate for an ArcGIS user to use Data Driven Pages?

Using Data Driven Pages is particularly advantageous when creating a series of maps that require consistent layout and formatting while displaying different, related features or geographic areas. In the case of mapping campsite locations along a river, Data Driven Pages allows the user to generate individual map pages for each campsite automatically, respecting a standard map layout while shifting the focus to different locations along the river. This is particularly useful when needing to maintain a uniform style and presentation across numerous maps that share the same template but highlight distinct features.

In contrast, mapping different soil types within a single region or a single study area in a national park might not require multiple pages since the information can typically be represented effectively on a single map. Similarly, creating a map that showcases all the countries of the world usually involves a single, comprehensive view rather than multiple pages. Therefore, the requirements and benefits of the other scenarios do not align as closely with the capabilities of Data Driven Pages.