Bonjour Guillaume,
Sorry, I only see your question now. I can help, I am a French solution consultant for Jaspersoft and I can help you with your project.
Please contact sales@jaspersoft.com and ask for me, Raphaël Peguet.
In parallel, you can find me on linkedIn to chat https://www.linkedin.com/in/raphael-peguet-b993a46/
Cordialement,
Raphaël