Hi Riz,
Greetings from Syncfusion.
We have checked the SfCardLayout rendering while changing the orientation and it is properly rendering in the both mode (Portrait and Landscape). We are afraid that, we are not able to reproduce the issue at our end. We have attached the tested sample, please download it from the following location.
Sample:https://www.syncfusion.com/downloads/support/directtrac/general/ze/CardSample-1418129040
Please check the above sample, if you still facing the problem please revert us by modifying the provided sample which will be helpful for us to assist you earlier.
Regards,
Lakshmi R.