My team is trying to embed Power BI reports into our Salesforce visualforce pages. So far, I have followed the Embedding a Power BI Report into Salesforce blog from Microsoft: https://powerbi.microsoft.com/en-us/blog/embedding-a-power-bi-report-into-salesforce/
Since we have more than one page that will be displaying the reports, we have made some changes to have a visualforce page that will display the report call another visualforce page that would handle the authentification and redirect the user back to the report page once they have obtained the access token. The flow used here is the OAuth 2.0 auth code grant based on the blog, and the authorization code flow begins with the client directing the user to the authorize endpoint where the user would need to log in. I was wondering if there is a way to start the flow without the "Pops up a browser dialog" that requires the user to sign in. Our users will be signed in at this point and only need to request an authorization code.