The path of the Maximum Gifting Threshold field is :
In the Punchh platform, navigate to Settings > Admin Users > Roles >[Select any role] > Maximum Gifting Threshold
Maximum Gifting Threshold limits the value of points or banked rewards credited by an admin associated with the respective role. For example, the Maximum Gifting Threshold is defined as 2 for a site admin role. In this case, admins with the site admin role can not credit more than 2 points/banked reward to a guest.