Use the Vector tool to set options for a vector plot.

Individual vector components, shear, and complete resultants can be plotted for vector based results.
From the Plot tools, click the Vector tool.
Figure 1.

Figure 2. Vector Panel
Attention: The Envelope utility is not intended for use with vector plots. If it is used with a vector plot, HyperView will simply draw the last loadstep in the derived loadstep list.