>> Does the handheld support changing units of measures on the pick and the putaway?
Yes, you can select different item units of measure on the handheld, and can configure which unit of measure is displayed by default on a per item/item category and application basis. E.g., at receiving you could use the put-away unit of measure by default, but use the base unit of measure or document UoM when picking.
>> Also they sometime must pick a larger box to pull some part out and then place the remaining in a break bulk bin to be repackaged later
If “advanced warehousing” is on in NAV, the scanners will support the NAV breakbulk instructions.