Will the root acces be available during this trial ?

✅ YES. The 30-day trial gives access to the full version, and the root-access feature is documented as part of Genymotion Desktop. The trial page says it includes “the full version of the latest” release for 30 days, with no credit card required, and the Root Access docs explain that root can be enabled on unrooted images and is available to apps and command line once the device is rooted: Is there a trial for Genymotion Desktop Pro edition? and Root Access

If you want, I can also tell you which Android versions in the trial are rooted by default versus rootable.