Power Apps Power Apps: Upload Files to SharePoint Document Library (V2 Trigger Method)
Directly uploading files from Power Apps to a SharePoint Document Library isn't supported out-of-the-box. However, using...
Document Library
Power Apps 
AI Search How to Configure SharePoint Document Libraries in Azure AI Search (Preview)
A step-by-step guide on integrating SharePoint with Azure AI Search.Adding SharePoint Online as a Data Source to AI Sear...
Power Automate Power Automate Error “File not found” when get file contents in Share Point Online.
Note on how to deal with File not found error (404) in the action "Get file contents" of SharePoint Online connector in ...