According to the product overview, BOMBBAR Hazelnut Praline is a sugar-free protein snack, and its chocolate coating is sugar-free as well. That makes it a possible choice if you are trying to reduce added sugars while still having a sweet snack. The label will list exact values for protein, fat, carbohydrates and fibre.
Keep in mind that sugar-free does not mean calorie-free or carbohydrate-free. The bar contains protein from whey and milk, fibre, and hazelnuts, so it still provides energy and macronutrients. If you are monitoring your overall intake, treat it as part of your daily totals rather than as a free food.
What you will not see on the front of the pack is which sweetener is used. The ingredient list is the place to check. Some people find that certain sugar-free sweeteners, especially when combined with high fibre, may cause bloating or digestive discomfort when eaten in larger amounts. If you have not tried this bar before, start with one and see how your body responds.
It is also not a meal replacement. If you are using it to manage sugar cravings, enjoy it as one snack choice, but keep your overall diet varied and balanced.