CI HUB is the industry standard. Get everything you want inside Adobe and pulls from like 60 systems. It also works well in a lot of other programs to use the things after you created the content: Word, PPT, Google, Figma, WP, etc.
As Colin said, the CI HUB connector might be the answer you are looking for.
We are actually live today with our newest connector for Adobe Express connector by CI HUB
You get to test it for a full year for free so I am sure that it would be worth a go.
CI HUB