Viva is an employee experience platform. To quote Microsoft “Viva brings together the tools and applications your business needs for communication and feedback, analytics, goals, and learning-all in one unified solution.
Microsoft Viva Overview | Microsoft Learn
Some of the Viva features re included in M365 and O365 but others are standalone. Viva Suite is the super bundle and added onto M365 E5 will provide all the available features.
Microsoft Viva feature comparison (licensingschool.co.uk)
The latest announcements include Viva Amplify which is now available worldwide) Introducing Microsoft Viva Amplify—now available worldwide! - Microsoft Community Hub). Amplify helps organisations communicate with their employees with centralised campaign management, multi-channel publishing and reporting capabilities.
Copilot in Viva Goals is available in private preview (Drive Mission and Alignment with Copilot in Viva Goals and Goal Customization in Private Preview Now - Microsoft Community Hub), and Skills in Viva will enter into private preview by the end of 2023 and will be included in the Microsoft Viva Suite licence (Introducing Skills in Microsoft Viva, a new AI-powered service to grow and manage talent | Microsoft 365 Blog).
