If you don’t have any impressions, you might look at the keywords you picked. Did you do a keyword plan before launching your campaign? It’s important to do it because you can forecast your results depending on your budget and your targeted locations. If people don’t query your keywords there is no chance you’ll get impressions. Don’t start with only exact match keywords.
Also, look at your ads and make sure they are relevant to your keywords and your landing page. Google detects incoherence and will give you a low-quality score.