You defined the order of elements on the User Interface per instance type using Page Layouts feature, but when you go in the document, this is not working as expected and the order is different.
SAP Cloud for Customer
Change Element Sequence for the fields in Page Layouts will not work with instance types.
Only the first column with no instance field value will be considered for sequencing.
This feature is not supported in the current release of SAP Cloud for Customer.
- Contact your the Account Executiv
- Check the link https://www.sap.com/uk/services/advisory-development/application-development.html#contact-us
An alternative option may be to check the SAP Cloud for Customer Ideas Forum to submit an idea: https://influence.sap.com/SAPCloudforCustomer
Page Layout, Instance Type, Business Object, Change Element Sequence, Change Transaction, Adaptation , KBA , AP-RC-UIF-FLX , Page Layout & Key User Configuration , How To