Can I add a link to form?

Yes. To add a link to your form you can use the Text field (1) and then write and select the text that will contain the link. Click the link icon (2) and add the url. Click ok (3) and complete (4):

You can test and clone the demo form:  

https://form.jotform.com/53185190484964? 

Let us know if we can assist you further.