Working with Views > ECAD Viewables > About Placed Symbols
  
About Placed Symbols
Mechanical symbols in designs from Cadence Allegro files are called placed symbols in Creo View. Work with placed symbols in these ways:
View and select them in the Placed Symbols partition of the Substructure pane.
Include them in a Design Statistics report.
Compare them using the Compare tool.
Cross-select them between Creo View ECAD, Creo View MCAD, and Creo View ECAD Validate.
Placed symbols are excluded from a bill of materials.