BellaDati offers 4 different control types for user permissions of report viewers:

 

 

 All controlsLimited controlsMinimal controlsNo controls
Edit view settings (for current session only)(tick)(error)(error)(error)
Create new formula indicators(tick)(error)(error)(error)
Add existing indicators to the views(tick)(tick)(tick)(error)
Modify existing indicators(tick)(error)(error)(error)
Create report filters and variables(error)(error)(error)(error)
Create filters of the views(tick)(tick)(error)(error)
Change filters of the views(tick)(tick)(error)(error)
Change date/time range(tick)(tick)(error)(error)

Change report filters and variables values

(tick)(tick)(tick)(tick)
Add/Remove comments(tick)(tick)(tick)(tick)
Export report(tick)(tick)(tick)(tick)
Export view(tick)(tick)(error)(error)
Publish view to the dashboard(tick)(tick)(tick)(tick)
Add/Remove drill-downs(tick)(tick)(tick)(error)
Add custom ad-hoc drill-down (clicking +)(tick)(tick)(error)(error)
Add predefined ad-hoc drill-down (clicking +)(tick)(tick)(tick)(error)
Do predefined drill-down (clicking +)(tick)(tick)(tick)(error)
Schedule email export(tick)(tick)(tick)(error)
Sort values by indicators and attributes(tick)(tick)(tick)(error)
View source data(tick)(tick)(tick)(error)
Display media gallery(tick)(tick)(tick)(error)
Create/Upload BellaApps(tick)(tick)(tick)(error)

Report viewers are not able to save changes. Changes are available only for current session.

Control types can be changed in  Share with users dialogue.