Yes. Insert a section break next page. Go to File>Page Setup. Find
"Orientation" on one of the tabs and set it to Landscape and apply to "this
point forward."
Yes. At the end of your Portrait (or landscape) page, click "Insert",
"Break", select "Section - next page" option. make sure you are on the new
page (you should see "Sec 2" showing in the bottom left Status bar). Click
"File", "Page setup", change the orientation and make sure it says that it
applies to "This Section". When you are ready to go back to the other
insert another Section Break and repeat steps.
