How to get all Clearance Keycards in Control Resonant

Clearance in Control Resonant is broken up by different levels, each of which requires an associated keycard. Some levels of Clearance are accessible as part of the main story, while others are found as part of optional side quests in which different levels of clearance are required to progress. The reality is that you probably encountered several doors that require clearance that you don't have during the tutorial whereyou escape from the Oldest House, but while you couldn't open them the first