A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
Hi @sns
You could create App Catalog from SharePoint online admin centre. You can have only one App Catalog for your organization, and you only need to create it once.
You can acquire solutions from the SharePoint Store or distribute custom apps that can be used across SharePoint, Microsoft Teams, and Viva Connections by App Catalog site.
For more information, you could refer to :
https://learn.microsoft.com/en-au/sharepoint/use-app-catalog
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