Creating a User for Authentication to ADS in an ABAP Environment 
The secure communication between the Forms Processing Framework (ABAP) and the Adobe Document Services (ADS) running on AS Java, requires the system user ADSuser with a special UME role delivered by SAP. If the user has not been created automatically by the configuration tool, you can create it manually.
On the AS ABAP, log on to the client used for the UME authentication.
Start the transaction SU01 or choose .
Enter ADSuser as user name and choose Create.
Choose the user type system user.
Enter a password and save your settings.
Start the transaction PFCG or choose .
Create a role ADSCALLERS (no authorizations required).
Note
The ADSCALLERS role in SAP NetWeaver AS ABAP appears automatically as the ADSCALLERS group in the NetWeaver Administrator.
Activate the role.
Assign the user ADSUser to this role.
To start the User Management, enter the Web address http://<server>:<port>/useradmin .
Choose Role and search the role named SAP_ADSCALLER.
Note
This UME role was created during installation.
Go to the Assigned Users tab. Under Available Users, search for the user ADSUSER and press Add to assign this user to the role SAP_ADSCALLER.
Save your changes.