By default, effectively nobody: access to production tenant data is restricted, logged, and exceptional, used for support with your knowledge, not routine browsing. Your brain is yours; we operate the machinery around it.
The operating principle is that Falkster runs the platform, not your content. Support that requires looking at tenant data happens with the customer involved, and administrative access leaves an audit trail like everything else in the system.
This is also why the receipts culture runs through the product: a company whose pitch is accountable AI has to hold itself to the same standard it holds its agents.