This web part demonstrates displaying the list of approval requests of Power Automate. Power Automate provides a new workflow feature that replaces SharePoint workflows, but it is a Power Platform feature, not a Microsoft 365 feature. You can display approval requests from only Power Automate site. This web part enable to display approval requests from SharePoint site.
Open this sample in the gallery (popup panel): Open in gallery
Source: https://github.com/pnp/sp-dev-fx-webparts/tree/main/samples/react-my-approvals