This article shows how to set permissions for a category in News Flash. This lets you choose which user groups can view or make changes to the category.
Who can use this feature?
System Administrator | Owner
Navigate to Modules and, on the Content tab, select News Flash:

Find the category you want. Click Choose an Action and then select Properties:

Navigate to the Permissions section. Set the permissions for the groups:

V (View): Can see News Flash items, cannot edit
A (Authors): Can edit and create News Flash items, cannot publish items
P (Publisher): Can edit, create, and publish News Flash items
O (Owner): Has full rights to a group
Select Save at the top of the page:
