There is no limit on the number of demo versions you can create in order to test the solution Webpublication. Credits will be deducted from your account only when you publish your publication. You also have the possibility to share your unpublished work anytime.
In order to share your publication:
You have to go to Edit => Share.
Fill in the field with the desired email address and send.
The link of the publication along with a PIN code for instant access will be sent via email to the recipient.