Even if your License expires, you will still be able to use extension, nothing has cause issue with your license status

The only restrictions applied are the fact that you are no longer eligible to extension related downloads( updates and downloads) and you will no longer receive customer support.

Yes, you can do. With single license , you can use it for 2 Live Domains.

If you want to use more than 2 then you can send us a custom order. We will give you a discount on purchase.

AA Extensions are listed under the GPL2 license, so when you purchase and download an extension you will have full access to the source code.

But remember one thing that all source code changes are lost when an update is performed.