It is not possible to control the use of Solid Edge Data Management via SEAdmin in Solid Edge 2019.
Solution
This is correct for Solid Edge 2019 and older versions.
The option "Use Solid Edge Data Management" will be available in Solid Edge 2020.
Notes and References
Hardware/Software Configuration
Platform: INTL64
OS: windows
OS Version: 10_1809
Product: SOLID_EDGE
Application: APPLICATION
Version: V219MP8
Function: SE_ADMIN
Ref: 001-9536930