Carry out the following steps to grant sitemap permissions:
Focus on the Intelligent Search box in the toolbar on top and type
Task Permissions
.Click on the first entry in the list called Task Permissions.
Our new groups don't have any rights yet; click on Access Sitemap to display the dialog where you can manage the permissions for this task.
In this dialog you can either include or exclude a group from a certain task. Click on the plus icon on the right-hand side in the first box, Included and you'll see the following dialog:
Click on Select and then Group. You'll see a list of available groups; select Editors and then confirm the change by clicking on Save. Click on Save again to update the permission list and click on Save once more to confirm the change. Editors should now be listed in Access Sitemap.