You should be concerned since your children are going alone. You’ll be okay thanks to the SAS Airlines Unaccompanied Minor policy. Where your children, aged five to eleven, can go traveling. In addition, guests who are between the ages of 12 and 17 are free to leave and are not subject to the regulation. Visit the SAS Airlines official website for further details.
Source: https://www.airlinesunaccompaniedminor.com/sas-airlines-umnr-policy