The applicant has received two emails since we applied.
The first one basically says:
"This confirms that your application for Permanent Residence under the Spouse or common-law partner in Canada class has been received by Immigration, Refugees and Citizenship Canada (IRCC) on 09/11/2016"
And the second was the reminder to submit a PCC if we haven't already, which we confirmed with the MP we have.
I, the Sponsor, have only received one email, that essentially just says:
"This confirms that your application to Sponsor a Member of the Family Class has been received by Citizenship and Immigration Canada (CIC) on 2016/11/09 on behalf of the following member(s):"
We haven't received anything else and don't know what else could be wrong with the PR application.