For consents, rather than sending out a form, you can request this through the Parent Portal -Managing Parental and Trip Consents
It isn't possible to set up polls or surveys through Arbor. You can't create tables within letters or templates, and can't download letters as word documents.
Instead, you can send out an email to them with a link to a poll you have set up in Google forms or another polling system. You'd just need to use the link button when putting your email together.