By default App Users cannot send or assign cover.
As a Team Admin or Global Admin you can give your team members the ability to broadcast and assign cover.
Alternatively you can let them send cover whilst you retain the right to assign it.
1. To access these options first go to the 'People' tab in the console
2. Find the User whose permissions you want to edit.
3. Once you've found them either click on the person's name or click the icon and select 'edit person'.
4. Scroll down until you find the Access Level section and tick (or untick) the 'Can send cover broadcasts' or 'Can assign cover broadcasts checkboxes.
5. Click save once you are done, and you should see this message: