Changing your difficulty on your Minecraft Bedrock server is quite an easy task to do, this guide will show you how to change the difficult of your Minecraft Bedrock Server.
1 Login to the Kinetic Panel
2 Stop your server.
3 Head to the Settings Page.
4 You will see a difficulty tab, you can click on the dropdown and you can change your servers difficulty
5 Start your server and the difficulty would've changed to what you set it to.
That is how you change your servers difficulty for Minecraft Bedrock.