Create a Conga Composer OAuth Button
If you want to use OAuth with Conga Composer, you must create special Conga Composer OAuth buttons. These buttons are included in the managed package. You can use the managed buttons or follow the procedure below to update the URL of an existing button.
You must use Composer OAuth buttons in Salesforce Lightning.
To create a Conga Composer OAuth button
After creating the Conga Composer OAuth button, administrators must configure Conga Composer as a Connected App and grant access to specific users via Profiles or Permission sets. These steps are covered in Configure the Conga Composer Connected App.