: It supports cross-probing between schematic and board files, helping teams find critical components and nets quickly during design reviews.
You can download the Cadence Allegro X Free Viewer (which serves as the viewer for version 17.4 and later) directly from the official Cadence Allegro Downloads page Important Details for Version 17.4 Unified Versioning cadence allegro free physical viewer 174 download link
Essay: The Role of PCB Viewers in Collaborative Electronics Design : It supports cross-probing between schematic and board
: While 17.4 was the standard for years, Cadence has transitioned to the Allegro X Free Viewer cadence allegro free physical viewer 174 download link
You do not need a paid support contract to get the viewer . You do need a free account.