@Maria
It appears that you are utilizing a free subscription plan which is preventing you from launching this marketplace offer of Jupyter Notebook. This is a third party paid offering and is not included by the free Azure subscription. Details of what are included with the Azure Free Account can be found here.
You could try using a free Ubuntu Server image and installing Jupyter Notebook manually. Setting up third-party software like Jupyter Notebook is not something I am able to walk you through. I was able to find this guide which might get you started on this. You can also consider utilizing Azure Machine Learning with Jupyter, however this is not included with Azure Free Account.
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