Dear Mr. Araujo,
My guess is that there is something related to the active roles assigned to sap_mon and sap_adm roles, but I believe it would be better for you to open an incident towards SAP in order to have this fixed faster.
I can see you have the right ODBC, library now, so everything should be okay, as I was able to check on another system also.
One question, just to be sure: did you restarted the SAP system, both database and R3 after you revoked sa_role?
Kind Regards,
Ionut