Added Viva Core Information

[DanLongMSFT]

Viva Core licensed users will not be active and not pending. Added !note tag with explanation. Feel free to wordsmith this. Reach out if any questions.

[JohanFreelancer9]

Copy review - @DanLongMSFT, kindly commit the suggested changes. Many thanks.

[yogkumgit]

@DanLongMSFT Gentle reminder. Thanks

[learn-build-service-prod]

Learn Build status updates of commit 810d58c:

❌ Validation status: errors

Please follow instructions here which may help to resolve issue.

File	Status	Preview URL	Details
	❌Error		Details

• [Error: CannotMergeCommit] Cannot merge commit 810d58cffb289768e8bbe8f4ae5ed591c2c36851 in branch patch-1 of repository https://github.com/DanLongMSFT/OfficeDocs-O365ITPro into branch public (commit a7305ba3882ef4a5756ebc0a13ae64b14733d87d). Please follow this documentation: https://help.github.com/articles/resolving-a-merge-conflict-using-the-command-line/ to use git.exe to resolve you content conflicts locally and then push to remote.

For more details, please refer to the build report.

Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[yogkumgit]

@DanLongMSFT Please review and pass all the validation checks.

[DanLongMSFT]

Due to the file name change (with rebrand from Yammer to Viva Engage), have instead posted changes with MicrosoftDocs/Viva#706. Included changes that were proposed by @JohanFreelancer9.

@yogkumgit - Should see this get pushed soon to the Viva Engage documentation.