Remediation allows to execute configured remedial tools so that necessary actions can be taken like restarting a server or clearing up a log, to name a few . The Remediation page has two main views - Remedial Tools and Tool Run History.
You can navigate from Incident and then selecting 'Remediation' on left side page menu as shown below.

Remedial Tools

Remedial Tools are either commands or integrated 3rd party tools which can perform certain pre-defined actions on assets. The following image captures the flow to execute 'Clearing Logs' on a server.

Tool Run History

Tool Run History view captures the logs of all remedial actions taken in previous step.