If you have a question about the Visa Letter, please submit all questions to visaletters@linuxfoundation.org
If you are having technical issues with the Visa Letter section in your Individual Dashboard, please create a ticket here https://jira.linuxfoundation.org/plugins/servlet/desk/portal/4/create/255
General information regarding Visa Letters can be found here https://docs.linuxfoundation.org/lfx/my-profile/view-events/lf-events/visa-letters