After you have your External Client App set up for OAuth, you can add the Embedding SDK and your components into your web app. Tableau Next provides an easy way to generate the component code you need to embed. <!-- Use the Tableau Next playground to finalize how you want the component to look and behave and then copy the component code. -->
Install the SDK for your web app.
Add the copied Tableau Next component code, initialize the SDK, and render the embedded component in your web app.
Add the Tableau Agent to your web app.
Embed components from multiple Salesforce orgs in the same web app.
Read through the Best Practices for the Tableau Next Embedding SDK before pushing your updated web app to production.