When you say multiple pages do you mean tickets or do you mean when you go to the issue view you have multiple pages and you want to show all on one page and scroll down instead of going to page 2 -> 3, etc?
If you mean there are multiple tickets and you want to see them all in one place you could try using a board and filter for the tickets you want to see.
If you want to remove pagination you can go to your profile and change the value of the Page Size.
Take a look at the Community post Solved: Can I turn off pagination in the Issue Navigator results?
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