Initializing help system before first use

# Restricting the Data Source to Authorities and Authority Groups

By using the`insight_authorities` and `insight_authority_groups` tables provided in the mirror, it is possible to control the data displayed in the view based on security set against the user in the system.
For instance, a user could be given an authority that corresponds to a certain region. The workbook author could then restrict the data being displayed in the view to only select data for a certain region matching the specific authority and therefore limit what each user can see.
Note: Care should be taken when joining in user authorities against data sources, as a user could conceivably have multiple authorities represented in the data, potentially causing the data to be counted multiple times.
Parent Topic Authoring Tableau Workbooks

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