Hi All,
We have made some changes according to the requirement in the configuration/setup of the purchase order workflow conditions in D365F&O.
We have deployed the same package in UAT environment from DEV and the functionality is working as expected in UAT. But when we deployed the package & exported the XML file from UAT and imported the XML file, activated the the workflow in Production environment the scenarios are getting failed. Although, all the setups, configurations and conditions are same in all the 3 environments. 
Scenario which we are able to achieve in DEV & UAT:
If PO gets approved for the first time (Ex: for $100), it should go for a normal approval process. And it should auto approve if the PO amount changed/reduced to $90.
But if PO amount increased(like $110/$120) from the original approved amount (which is $100), it should go to approval process again.
Could you please help us to find a solution for this problem.