Of course, for global sales, you need to specify the currency of the country in which you sell the goods. In addition, it will be useful for you to adapt all the content of your website to the country in which you sell. Translate your text and navigation with a professional translator. Set the content for titles and alts of your images in the language of this country. And so on.
Of course, apply the meta-links hreflang to different countries.
All this will allow users from this country to easily navigate your website, in your products and in your commercial offers. This way you will increase the visibility of your website in this country.