Ok -- Sometimes there are course overrides for a role that still prevent you from doing something.
A few things, Go to : https://yourmoodle.com/admin/tool/capability/index.php (replace the yourmoodle with your actual site) and paste in "moodle/user:viewdetails" then select "All"
You'll get a few results -- first, the top level permissions. Ensure your site level roles allow for this permission (remember, you will be an authenticated user as well as any other system role you may be in (system role meaning you were added to it here: https://yourmoodle.com/admin/roles/assign.php?contextid=1
Then it will show this permission as the category level and then the course level IF there are overrides in the category or course.
If that doesnt clear anything up, go to your course from the link you posted before, (and this is a different step than what i posted earlier) go to the Admin block in that course and click on Users - Permissions. Once the page loads, click on the dropdown -- see if there are any number next to any of the roles - those numbers indicate the number of manual overrides. If there is a number next to your tutor role, select it from the drop down and then scroll down to find the permission to see if Allow is set for your tutor role.
Hopefully those 2 steps might lead to something.
A few things, Go to : https://yourmoodle.com/admin/tool/capability/index.php (replace the yourmoodle with your actual site) and paste in "moodle/user:viewdetails" then select "All"
You'll get a few results -- first, the top level permissions. Ensure your site level roles allow for this permission (remember, you will be an authenticated user as well as any other system role you may be in (system role meaning you were added to it here: https://yourmoodle.com/admin/roles/assign.php?contextid=1
Then it will show this permission as the category level and then the course level IF there are overrides in the category or course.
If that doesnt clear anything up, go to your course from the link you posted before, (and this is a different step than what i posted earlier) go to the Admin block in that course and click on Users - Permissions. Once the page loads, click on the dropdown -- see if there are any number next to any of the roles - those numbers indicate the number of manual overrides. If there is a number next to your tutor role, select it from the drop down and then scroll down to find the permission to see if Allow is set for your tutor role.
Hopefully those 2 steps might lead to something.