From CRS Dashboard, click on Accepted Requests (1) from the left panel, tick to select accepted request from the list (2) then click on Assign button (3) to show assignment dialog
select a project from Project drop-down list, type assignee name in Assignee text box to get suggestions and pick one, provide summary for authoring task and click Assign Requests button to create task.
If there is any change which related to your submitted requests such as status changed, new comment added, batch importing completed, then CRS will inform you via its notification feature.
from any page of CRS you will see the bell icon at the very top right of the page, the number of new notifications shall be display as number which next to the bell. you can click on the bell icon to see the list of notifications and click on each message to go to request details or batch details.
CRS only notify user about new comment/feedback/question/answer added if it provided in CRS. For comments which come from out side of CRS such as JIRA, user will not get any notification.