For CSX (Amadeus), values in this field are published as profile notes
As for Sabre, the value are sent to the general information section of the additional profile information tab. Here there is a limitation of 999 characters
When importing profiles into Faces using the option "Read from GDS"- currently available for Sabre and Amadeus -, any information that can not be properly allotted to the fields in Faces due to improper mapping or unsupported formats will be deposited in the comment field. The administrators are therefore required to sort this information and move them to the respective fields in Faces