You are trying to implement standard integrations between SF and SAP.
The standard object "Data Replication Configuration" is not available under Manage Data
This is a permissions issue.
The user who experiences the issue doesn't have sufficient permissions to interact or configure this object.
Please provide permissions as shown in the below screen.
Navigation: Admin Center -> Manage Permission Roles -> Miscellaneous Permissions -> Data Replication Configuration
If you are unable to find the above permissions in Miscellaneous permisisons section, please refer to the KBA 2375976
KBA , LOD-SF-INT , Integrations , LOD-SF-INT-PAY , please use LOD-EC-GCP-PY* , Problem