Adjectives carry implicit social contracts. Deploying "jovial" appropriately depends on the balance of authority, audience familiarity, and narrative intent.
In workplace environments, describing a colleague as jovial can be an asset or an inadvertent slight. Commending an executive for their "jovial presence during tough client negotiations" frames their optimism as leadership resilience. Conversely, describing an applicant for a data forensics role as "very jovial" might make hiring managers question their analytical focus. Frame the word around interpersonal relationships and public presentations, not technical execution.
In creative writing, avoid treating joviality as permanent. Purely cheerful characters risk coming across flat. Layering joviality over exhaustion, hidden anxiety, or quiet sorrow yields nuanced, three-dimensional characterization that readers immediately recognize.