Admin can set Dynamic Discount rule Buy One Get One offer on the WooCommerce product or WooCommerce category which he/she wants.
To make this discount rule select the Discount Rules tab.
Now choose BOGO Rules
Now you can choose to Add BOGO Product Rule ( to make a Buy One Get One offer on a particular product ) or Add BOGO Category Rule ( to make a Buy One Get One offer on a particular category ).

Make rules according to your choice.
This Dynamic discount Buy One Get One rule can be shown in the table and also it can be editable.

Enable the Buy One Get One rule from the settings tab of our WooCommerce Dynamic Pricing and Discount plugin. Give priority accordingly.

Choose among All Match Rule, Best Match Rule or First Match Rule.

Now you can see the offer is successfully applied on the WooCommerce Cart Page.

Now whenever you want to disable this discount rule, you don’t have to delete it, just go to Setting Tab and uncheck this rule.