Should you require Neo4j to provide a Data Processing Agreement for Neo4j Aura you have the following option depending on your subscription tier:
Professional and Free tier:
The relevant information for DPA is included within our Terms of Service (section 4. YOUR DATA)
If You are located in the European Union or will transmit any of Your Data that includes personal data regarding a resident of the European Union, You may contact us at firstname.lastname@example.org to request a data processing addendum that is pre-signed by Neo4j and You agree that under this Agreement Neo4j is merely a data processor.