There are a couple of morphs that SHOULD be Pose Morphs, IMHO.
One is the Iris Diameter morph. That should absolutely be a pose morph.
Is there a way to alter the morph to turn it into a pose morph?
You can use the Property Editor to change the grouping and location of a parameter. Then you need to resave the morph, File>Save as>Support Asset>Morph.
Richard, I can't seem to find the property editor... :(
Also, if you don't have the right tool bars open, Window>Panes(Tabs)>Property Editor.