...
Depending on your company custom calendar needs a new type of calendar fields may be available to select. In the example below, there is a new field called “Sunday Of Week” to customize a Sunday to Sunday date selection and grouping. This could also be a fiscal month day or grouping. As a viewer, you will be able to view dashboards that have used this field. Click here for more details.
...
view as created by a dashboard designer.
...
Global Formulas
Your company may have specific metrics with precise calculations. The global formula admin will have the ability to create these formulas/calculations. As a viewer, you will be able to view dashboards that have selected these custom formulas.
...
As an viewer now you can drill down to a widget to gain better understanding of data. Here is an article to help you get started with it - Drill into a widget example
Monitoring your key KPIs by getting alerts using Pulse. To enable Pulse and alerts here is an article that will help you Pulse. You will not be able to create a pulse alert as a Viewer, however you will be able to receive alerts as configured by a Designer
...