How can I print my form in pdf format?

You may create a PDF version of your JotForm from the More menu while the form is selected in My Forms page.

Please refer to the guide below that can help you with creating a PDF form.

https://www.jotform.com/help/212-How-to-Create-a-PDF-Form

You may be also interested in taking a look at the guide below that provides you with more information about fillable PDF forms.

https://www.jotform.com/help/312-Fillable-PDF-Everything-you-need-to-know-about-JotFrom-fillable-PDF-creator

Hope this information helps!