Hi Mohammed,
In currently released product, the only way to use LiDAR in this manner in 3D is as a surface.
However...
In our next series of releases, we will be rolling out the ability to stream point clouds to desktop and web clients using a new layer type added into the I3S specification. Initially, this capability will include the ability to change renderers, identify points, and use multiple services in the same scene. Eventually we will look at editing attributes and using point cloud scene layers as input to GP tools.
Watch the Esri blogs for more information on this later this year,
Chris