Being in the SEO business and having customers all over the world can greatly benefit your company. But sending them accurate reports that match the results they see in the browser can be sometimes hard and expensive.
Because Google displays different results in different countries, most of the times it's impossible for your reports to match the results from your customer's browser if you are not using proxy servers.
For example, if you are running a business in a specific country and you want to track the website rankings for your clients, but they are from different locations worldwide, by using a Google Preview Search Engine, you will gather in Advanced Web Ranking the exact results as your clients see in their browsers at home.
With this feature of Advanced Web Ranking you are able to gather the ranking data from any data center in the world without moving an inch away from your desk.
Google Preview Search Engines are able to return both organic and paid results, so you can create a search engine for organic results and another one for paid results. This will help you check both organic results and AdWords ads.
This feature is only available in the Enterprise version.