Once you have created the Permission Set you need to grant the Projections related to MWO. You can find these by searching for Category %Native% and Component MWO as shown below:

You then need to grant the Structure MOBILE_APP_RUNTIME  (this allows the MWO user to logon and create a session in IFS Cloud) as shown below:

Once you have done this you need to go to Solution Manager > Mobile Apps > Administration > Security Grants and Entity Filters > Security Grants By Permission Set and search for your Permission Set. You then need to Add the security groups associated with MWO Service or MWO Maintenance (depending on which App you are using). You can search for the Security Groups as below:

Cheers

James

Thank you James!!

Works great now.

Have a great day.