You need to go and change your point style in the settings tab
- Settings Tab>Point>Point Styles>Standard
- Right click on the Standard Point Style>Edit.
- Then go to the Display Tab at the top, Under View Direction change that from Plan to Model and make sure you tick the light bulbs so you can see them. Click OK
- Then go and select one of the standard point styles in the drawing and the 3d polyline from stringer, right click select similar and then right click again Object Viewer.
When the object viewer opens you will see both the linework and the points in the viewer