Out of state learner permit holders, as well as driver license holders under age 18, are subject to both the restrictions on their home state permits or licenses and the restrictions which apply to state permit holders and junior operators. This is called Reciprocity
Even if there are no restrictions on the driver in his or her home state, the state you are in restrictions’ still apply.
No driver under legal age may drive in under any circumstances, even if he or she holds a valid license or permit from another jurisdiction.
Some states may restrict learner permits to in-state operation only, in which case the permit is not valid at all for driving in the state you are visiting.
Check with the state which issued the permit.