To embed an Qlik Sense object you will require a Qlik Sense server deployment but you can test it out locally using Qlik Sense Desktop.
There is a unique URL for each element in Qlik Sense. You can embed that URL. To get the URL do the following
Navigate you web browser to <servername>:4848/single (If you are using Qlik Sense Desktop then it needs to be running and the servername is local host)
Youwill get a list of all the apps on the server (you have access to).
Select the QVF you are interested in
Select the object or sheet for the URL you are interested in
Copy the unique URL for the object or sheet to your html code (or insert into an iframe). Note if you are using Qlik Sense Desktop to get an idea of how this work you will need to keep everything local.