Yes, in fact it is generally encouraged over table sugar. This is because monk fruit contains 0 calories and 0 glycemic index. It doesn’t cause blood sugar spike. It can be used as part of a diet program to help improve blood sugar control.
According to 2018 American Diabetes Association Standards of Medical Care in Diabetes: [monk fruit] “may have the potential to reduce overall calorie and carbohydrate intake if substituted for caloric (sugar) sweeteners and without compensation by intake of additional calories from other food sources”