For sensitive areas at both commercial and industrial locations, it makes sense to require credentials. 

Timestamps and logs of who’s entering and exiting helps protect valuable infrastructure and data. As you know, this is necessary to run your business successfully. 

Other reasons access control works:

• Greater accountability for employees
• Security for on-site staff who work after hours

Outside of business use, this feature is also nice if you rent out your home to vacationers. It allows you to secure the residence and easily change codes for new visitors.