Not able to view Properties for parts and assemblies in Free Viewer/2D Drafting mode.
Solution
If the part or assembly has been used in a Draft file, open the Draft file first, then go to the Application button and select Info -> Property Manager. The entire structure of assemblies and parts are viewable from this dialog.
Notes and References
Hardware/Software Configuration
Platform: INTEL
OS: windows
OS Version: 1064
Product: SOLID_EDGE
Application: SETUP
Version: V220.0
Function: LICENSING
Ref: 001-9918885