Solid Edge Unable to Rotate Assemblies in Parts Library Viewer

The customer reported that they were unable to rotate and manipulate selected assemblies in the Parts Library Viewer. They mentioned that while they could rotate and manipulate individual parts and sheet metal parts, the option was not available for assemblies. They requested assistance in resolving this issue. 

In the Parts Library pane, right-click in the white space.

Select Preview...:

In the Preview dialog under Assemblies click Interactive:

Select OK to save the change:

Now the assemblies will be interactive in the Preview pane:

Please note that if the customer is working with large assemblies, there might be performance issues when previewing them interactively. This is why interactive previewing is disabled by default for assemblies.