Keyword queries are static and consume themselves through their use. Projects, users, writers, research accesses and reports are available in the main license without limitation.
You can find an overview of your available resources under Settings > Licenses > Overview.
There you can also see the start date of the license period. That indicates when the credits will be recharged. For example, the license started on 03/05/2019. This means that the credits refill every month on the 05th.