Hello.
The several booking resources available only in the paid versions of Booking Calendar. In the Booking Calendar Free version available only one default booking resource (calendar ).
The ability to have independent calendars possible in any paid versions of Booking Calendar. Check more here https://wpbookingcalendar.com/overview/#booking-resources
You can watch video overview about this feature here https://wpbookingcalendar.com/help/multiple-calendars-video-overview-of-booking-resources-in-booking-calendar/
Please read the general instruction about usage of paid versions of Booking Calendar: https://wpbookingcalendar.com/faq/general-usage-instruction/
You can create the different booking resources (your properties or services – unique calendars) at the Booking > Resources page and then you be able to insert booking forms for each of your booking resources into the posts or pages. Please read more how to insert and configure the booking shortcode into the post or page here https://wpbookingcalendar.com/help/inserting-booking-form/
Please read the Booking Calendar version overview here: https://wpbookingcalendar.com/overview/
You can test Booking Calendar live demos at this page https://wpbookingcalendar.com/demo/ to be sure in functionality and do not have misunderstanding.
Please watch more useful video guides here https://wpbookingcalendar.com/help/
Kind Regards.