Can I use my VPN connection from any Location ?

Indeed. It is one of the perks of having a VPN connection. If you travel a lot or if you work from different places, having a VPN is the best way to connect from anywhere without compromising your sensitive information.
In addition, you should also read about the different servers available on the different VPN providers. If you travel a lot to a certain part of the world, you might want to choose a VPN with several servers in those countries to ensure the maximum protection.