In the 3D window, all Stories are projected by default, but you can limit the projection using the Stories to Show in 3D controls at View > Elements in 3D View > Filter and Cut Elements in 3D.
See Filter and Cut Elements in 3D Dialog Box.
Relevant topics
Defining Story Display in Section/Elevation/IE
In Section/Elevation/IE views, you define a vertical range that can include entire Stories or only parts of them. Also, Story Level Lines can be ...
Defining Components and Descriptors
When defining Properties, you should first decide whether they will ever be assigned to different elements, whether they may ever be parts of different Properties combinations in Property Objects, or if only one Library Part will use them.
•A unique object’s properties, e.g., the ...
Defining Fill Availability in Pop-Ups
To avoid dealing with so many fills at a time, the Fill chooser pop-ups, located in dialog boxes throughout the ARCHICAD interface, do ...