Approvers can receive email notifications when there is a new task, make sure your admins have enabled the Email feature in workflow designer. In the email, you can click the link inside to enter the task.
You can also open YeeFlow, click the notification icon on the top right corner of the page to check your tasks.
Else you can click Pending Tasks on the left navigation bar to check the pending task list.
Click the tracking No. of the task will open the form to check details.