In addition to configuring the sharing settings for Materialized Feeds, you must also configure the required privileges for the data feed and the Terracotta DB connection used.
When working with Materialized Feeds, the following use cases are relevant:
In dashboards mode the contents of a dataset with Materialized Feed results.
Calculate a data feed and materialize its results in a dataset being managed by a Terracotta DB connection. This can only be done by users with administration privilege, who per se have the following artifact rights.