In most cases, you will be able to use all of the features of an item without having to activate a license. When a key or activation is available from us, you will see a notice on the item page and the plan to which it belongs.
We always try to make items available already unlocked and activated, but this may not always be possible due to the level of protection implemented by the author. In these cases, you will have the option to use them partially. If an item is essential to your project, consider purchasing a license directly from the product developer.