Remove Salesforce Chatter Accessibility for Service Agent Users

Set the Chatter object settings in the Salesforce CMS to hide the Chatter tab from all Service Agent users.

1. From Setup, in the Quick Find box, enter Profiles, and then select Profiles.
2. Select the profile for an Agent User: IT Agent or HR Agent.
3. From the Agent User profile page, under Assigned Apps, select Object Settings.
4. From the All Object Settings page, select Chatter.
5. From the Chatter page, click Edit.
6. From the Tab Settings dropdown, select Tab Hidden.
7. Save your updates.