I took the Advanced Design VMware Cloud Management & Automation 2021 Exam recently and these are the study links I used:
- VMware Architecture and Design for Cloud Operations and Automation with VVD 6.2
- VMware vRealize Suite and vCloud Suite Licensing & Features
- VMware Validated Design 6.2 Release Notes
- VMware vRealize Operations Cloud Release Notes
- VMware vRealize Log Insight Cloud Release Notes
- VMware vRealize Automation Cloud Release Notes
- VMware vRealize Suite Lifecycle Manager 8.2 Release Notes
- VMware vRealize Operations Manager 8.2 Release Notes
- VMware vRealize Log Insight 8.2 Release Notes
- VMware vRealize Automation 8.2 Release Notes
- VMware Product Interoperability Matrices
- VMware Compatibility Guide
- Breaking down the conceptual design, RCARs and AMPRS …. VCDX style
- Visualizing the Conceptual Model for IT Architecture
- NOTE: Understanding the last 2 blog posts is essential to being effective in this exam.
vcdx133.com 
Thanks for sharing.
Did you just use release notes documents? Or the whole documentation has been used?
If you are familiar with these products, then just use the release notes.