Why does adobe scan constantly crash when trying to save as pdf?

This is the USING THE COMMUNITY forum... this is where the forum is discussed
This is not where you ask program or account questions
Moving a message to the correct forum is not working
Start here https://community.adobe.com/community and find the correct forum for your question

post this in the scan forum, https://community.adobe.com/adobe-scan-515

and change your title slightly to avoid a duplicate post error.