Explanation
According to the result from [Blue Prism Infrastructure Overview v6 - Blue Prism Portal], the main purpose of the Application Server is to manage the database connections between the Database and Runtime Resources.
The Application Server acts as a middleware layer that handles requests from the Runtime Resources and communicates with the Database. The other statements given do not describe the purpose of the Application Server. References: [Blue Prism Infrastructure Overview v6 - Blue Prism Portal]