You cannot attach a document to the email, unless it is a static document that does not change from each time it is sent. Static document can be attached to the email template.
If you wish to have such fictionally in near future release then please post this idea on ideaexchange :
Hello Hanimi,
It is not possible without coding.
You cannot attach a document to the email, unless it is a static document that does not change from each time it is sent. Static document can be attached to the email template.
If you wish to have such fictionally in near future release then please post this idea on ideaexchange :
https://success.salesforce.com/ideaSearch