Thinking about moving to Lightsail from GoDaddy Linux Hosting

Hello,

I need access to SSH, Wordpress, MySQL… Also does it have AutoSSL or any free https options?

Lightsail provides Wordpress instances that you can SSH into. It also supports MySQL databases and SSL/TLS certificates. More information about these below:

Creating Lightsail Wordpress instance: https://lightsail.aws.amazon.com/ls/docs/en_us/articles/getting-started-with-wordpress-and-lightsail.
Connecting to instance (SSH): https://lightsail.aws.amazon.com/ls/docs/en_us/articles/getting-started-with-amazon-lightsail.
Databases in Lightsail: https://lightsail.aws.amazon.com/ls/docs/en_us/articles/amazon-lightsail-databases.
SSL/TLS certificates in Lightsail: https://lightsail.aws.amazon.com/ls/docs/en_us/articles/understanding-tls-ssl-certificates-in-lightsail-https.

Also how many domain names can I have on one account and does it have something like cPanel

Lightsail supports up to 3 domains in one account. More information about Lightsail limits here: https://docs.aws.amazon.com/general/latest/gr/lightsail.html.
Lightsail offers cPanel instances. More info here: https://lightsail.aws.amazon.com/ls/docs/en_us/articles/amazon-lightsail-quick-start-guide-cpanel.