Auditors looking for all configuration changes, report changes, changes requiring a development

Summary:

we have a Huge issue, please kindly let us know if any help regarding this is appreciated.

we have Enabled the Auditing in Manage Audit Policies for all the Application Modules and all available business objects in manage audit Policies.

Auditors are looking for Audit Log of all changes deployed from a lower environment to production
(including configuration changes, report changes, changes requiring a development effort etc.)
That Includes Module Specific Configurations changes at Setup and maintenance, Workflow BPM,, Pages, personalization's etc.) and BIP catalog changes.
Details like the date the change was made/deployed in production, user ID making the change, old vs new value or attribute details for the change made