PMI stands for Product and Manufacturing Information which is design, manufacturing, quality, and other data included in a 3D CAD file.
PMI can be found in Properties section. Separate dimensions or groups of them can be displayed by checking and unchecking the necessary ones in the PMI tree.
CAD Exchanger Lab only allows viewing and converting but not editing of PMI. The fuction of editing is supported by
CAD Exchanger SDK.