CLEAN : PROFILE: Gaspard Ulliel, French actor

The video tutorial covers various topics including the use of tablet mode, city solutions, interpersonal communication, categorization, and personnel management. It provides insights into setting up devices, addressing urban challenges, effective communication strategies, and managing categories and personnel effectively.

What does the speaker mean by 'You're welcome. Yeah dude.'?

What can be inferred about the relationship between the speaker and the 'Viva personnel'?