Side Panel 
Side panel is a CHIP-based widget-type panel that can be accessed from an existing Web Dynpro application. It provides additional information and easy access to work center items.
In Process Control, side panel is user-specific. It is available for the following users:
Internal Audit Manager
Internal Control Manager
Organization Unit Owner
In Process Control, you can configure the side panel for My Processes for a single role or a group of roles using the Customizing activity Configure Side Panel for My Process under Governance, Risk and Compliance > General Settings > UI Settings.
In Risk Management, side panel is available in the Risk OIF.