There are different types of VPN services which you could pick from so it would be necessary for you to know how to go about selecting the right VPN Service which would definitely be dictated by what you intend to do with such a service. VPN services are used by different companies and organisations as well as different individuals depending upon what their purposes might be.
For example, people doing SEO for improving the search rankings of their websites on different search engines would want to hide all of their IP addresses when building backlinks for which they will want to use a VPN Service which would allow them to anonymously build backlinks which would be considered as unsolicited or created by other than owners of the backlined websites themselves.
Likewise there are many people who like browsing the Internet anonymously as they would not want anyone to know or have records of websites that they may have visited who would want to make use of VPN services that are amply available and you can find a number of such offers through a simple Google search.
When choosing a VPN Service make sure you look for reviews from people who have already used them as this would give you an idea on its suitability for your purposes. You may want to check out this expressvpn review as an example of what you should be checking out when considering going for a VPN Service.