Drop Ship blanket release isn't getting approved automatically

Hello All,

 

Blanket releases aren’t getting approved automatically and user has to manually approve them. We observed when the document creation method is ‘CREATEDOC’ on po_releases_all table and it isn’t getting approved automatically. When the document creation method is ‘CREATE_RELEASES’ on po_releases_all table and it is getting approved automatically .

Is the below statement is correct

If ASL release method is ‘Release Using AutoCreate’  then it won't be approved automatically. If ASL release method is 'Create Releases' then it will be approved automatically. Is it correct.?

Need we have to change the release method from '