This section is dedicated to users with the 'Designer Reader' role. This role is the 'read-only' role in Designer.
Designer is a real-time Diagraming and Modeling application natively running on the ServiceNow platform.
Users with this Designer Reader role have access to the diagram list and can open all diagrams that are shared with them in presentation mode.
Users can access the diagrams either through the Designer diagram form or direct link to the diagram. To see the list of available diagrams, open your ServiceNow instance and enter 'Designer' in the application navigator and select 'Diagrams' as shown in B in below image.
The application menu available to Designer readers:
A - Opens the Diagrams & List Form form in a new browser tab to open diagrams.
B - Opens the Designer Knowledge Base (this documentation site).